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United Airlines Fleet Updates [2024 Edition]

Old Dec 30, 2023, 6:44 pm
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Last edit by: Prospero
The Fleet Status site is:
https://sites.google.com/site/unitedfleetsite/

At the site, you can find information about the interior features, livery, etc., for every plane in United's fleet.

United Airlines Equipment (Aircraft) Codes- code refers to type and configuration but not IFE:

pmCO
73R/S - B737-700 Slimline (Copa/Former GUM) (12/36/78 Slimline)
73G - B737-700 Slimline (12/36/78 config)
73Y - B737-800 Slimline Config (16/54/96 config)
73U - B737-800 Guam Slimline Configuration (16/42/108 config)
73Q - B737-800 Slimline (16/54/96) with SFP (a/c 3519 and above 16/48/102) 3528 and up Sky Interior, 3532 and up Sky bins
73C - B737-900 Slimline (20/42/117 config)
73L - B737-900ER Slimline Config (3413-3442 & 3479: 20/42/117), (3443-3478: 20/39/120) (3479 Sky Interior and Space bins)
37E - B737-MAX8 Slimline 16/54/96): Sky Interior and Space bins
37X - B737-MAX9 Slimline 20/48/111Sky Interior and Space bins
75B - B757-200 Int'l Config (16/45/108)
75S - B757-200 Int'l Config Slimline (16/42/118)
75B - B757-200 Int'l Config (16/45/108)
75E - B757-300 Slimline (24/57/156 config)
76S - B767-400ER (39/70/131 with Y crew mod)
76U - B767-400ER Polaris/PP (34J/24PP/48E+/125Y)
78H - B787-8 Polaris/PP (28J/21PP/38E+/158Y)
78P - B787-9 Polaris/PP (48J/21PP/39E+/149Y)
77E - B777-200ER Polaris/PP (50J/24PP/46E+/156Y)

pmUA
19F - A319 version 1 (12/36/78 config)
19G - A319 version 2 (12/36/78 config) (ex-CZ frames, different lavs)
20S - A320 version 1 (12/42/96 config)
20C - A320 version 2 (ex-CZ frames) (12/42/96 config), different lavs
21N - 321neo (<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->20/57/123 config)
37K - B737-900ER (20/39/120 a/c 3801-3810 ) (20/42/117 a/c 3811-3894 Sky - a/c 3895-3899 Space Bins
76L - B767-300ER Polaris/PP (46J/22PP/43E+/56Y config)
76Q - B767-300ER Polaris/PP (30J/24PP/36E+/113Y config)
77G/M - B777-200 Domestic (Versions 3 & 4 / 28F/102E+/234Y config)
77O - B777-200ER Domestic Version 32F/124E+/206Y config.
77U/N - B777-200ER Polaris/PP (50J/24PP/46E+/156Y)
77X - B777-300ER Polaris/PP (60J/24PP/62E+/204Y)
78J(78X) - B787-10 Polaris/PP 44J/21PP/45E+/199Y config)

Here's what each of the facilities do historically:
Domestic Contract:
LCQ, Airbus heavy/medium maint, Airbus Inductions and mods, 319/320 reconfiguration, 763 paint
MIA, reconfiguration and maintenance, all except 787/777
BQN/BFM, Airbus maintenance
SAL Airbus and 763 Maint
SAT 757 maint/reconfiguration, some 763 maintenance
INT, 737 & 757 maint.
TPA, 737 heavy maint, contract, but UA building own hanger
RFD, 737 heavy maintenance
GYR, 737 maint, occasionally used for paint.
ILN/GSO 752/753 maint. occasional 763 maint.
Domestic In House:
SFO, Airbus D checks, heavy 772 maint, 737NG C checks, other maint.
MCO, 737/757 maintenance, some mods.
IAH, light maint, some mods
SEA, 737, 787 delivery induction
PDX/LAX, 737 delivery Induction
DEN, IAD, 787 new delivery induction
Paint Facilities
Active: AMA, VCV, FTW, Inactive:CWF
International Contract:
HKG, heavy widebody maint and reconf (also heavy GUM 737 maint); 763/772GE Polaris mods
XMN 772PW Polaris mods, 787 mod, 777/787 heavy maint
PVG, 788 modifications/WiFi, GUM 737 maint
SIN 787 Maint

Services ended at:
MCN, PEK, SKF, VQQ, DLH

Previous Related Threads
United Airlines Fleet Updates [2023 Edition]
United Airlines Fleet Updates [2022 Edition]
United Airlines Fleet Updates [2021 Edition]
United Airlines Fleet Updates [2020 Edition]
United Airlines Fleet Updates [2019 Edition]
United Airlines Fleet Updates [2018 Edition]
United Airlines Fleet Updates [2017 Edition]
United Airlines Fleet Updates [2016 Edition]
United Airlines Fleet Updates [2015 Edition]
United Airlines Fleet Updates [2014 Thread]
United Airlines Fleet Updates {2012-2013}
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United Airlines Fleet Updates [2024 Edition]

Old May 6, 2024, 5:30 am
  #226  
 
Join Date: Mar 2015
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Originally Posted by UAinAUS
CR9:
N246LR exited fleet
N248LR exited fleet
N902FJ exited fleet
N905J exited fleet
N919FJ exited fleet
How long until all the CR9s are out of the fleet?
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Old May 6, 2024, 11:56 am
  #227  
 
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Originally Posted by Infinite1K
I think the point is that if the tail numbers had some pattern embedded into them, you wouldn’t need an app/lookup table to decipher.

There is something to be said about being able to look at a number and be able to get information from it without whipping out an app or going to a website to look up something.
I mean, you're still looking at the tail number... is the issue trying to remember 5 numbers versus 3? The current numbers do follow a pattern. It's not completely random like, for example, AA, which have internal fleet numbers that do not at all correlate to their registration, and registrations that are even more random.
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Old May 6, 2024, 12:32 pm
  #228  
 
Join Date: Apr 2010
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Originally Posted by EWR764
I mean, you're still looking at the tail number... is the issue trying to remember 5 numbers versus 3? The current numbers do follow a pattern. It's not completely random like, for example, AA, which have internal fleet numbers that do not at all correlate to their registration, and registrations that are even more random.
UA scheme was
  • N7xxUA and N2xxUA = 777
  • N6xxUA = 767
  • N5xxUA = 757
  • etc.
And it was very straightforward if you saw for instance N667UA you would know it was a 767. Now as someone mentioned, with the increase in fleet size, you cant easily fit everything in 100 number buckets, but at least it was pretty straightforward to do the mapping.

Im failing to see what the easy mapping is for the CO scheme. For instance without looking at anything what type of aircraft if N13716?
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Old May 6, 2024, 12:45 pm
  #229  
 
Join Date: Dec 2023
Location: SFO
Posts: 384
Originally Posted by Infinite1K
For instance without looking at anything what type of aircraft if N13716?
737-700

Technically there is a numbering scheme for pmCO.
xx7xx = 73G
xx2xx/xx5xx = 738
xx4xx/xx8xx = 739
xx1xx = 752
xx8xx = 753 (3851-3871 only)
xx0xx = 764 (3051+ only)
xx0xx = 772
xx9xx = 788/789
With first 2 numbers being random and last 3 numbers listing the aircraft number (for pmCO the registration actually corresponds with the A/C number, compared to pmUA. How else am I supposed to know the A/C number for N222UA is 2822?)

pmUA numbering isn't necessarily perfect either. A319 is N8xxUA and A320 is N4xxUA. N1xxUA was 744 (how does it correspond with 1?) and pmUA 737 retired shortly before the merger used N3xxUA for 733 and N9xxUA for 735.

For an airline with a fleet of over 900 aircraft and counting there is unfortunately no easy solution.
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Last edited by sonyeoshin; May 6, 2024 at 1:36 pm
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Old May 6, 2024, 12:51 pm
  #230  
 
Join Date: Dec 2014
Posts: 751
Originally Posted by PsiFighter37
How long until all the CR9s are out of the fleet?
While I don't know the answer, I suspect Mesa pilots are getting trained on the E175. As the pilots "graduate" the CR9s are getting parked/returned and the E175s are getting reactivated out of IGM.

The drawdown was noticeable during a longer layover in DEN last week. Fewer Mesa-painted tails were seen than a few months prior.
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Old May 6, 2024, 1:57 pm
  #231  
 
Join Date: Apr 2019
Posts: 230
Originally Posted by sonyeoshin
737-700

Technically there is a numbering scheme for pmCO.
xx7xx = 73G
xx2xx/xx5xx = 738
xx4xx/xx8xx = 739
xx1xx = 752
xx8xx = 753 (3851-3871 only)
xx0xx = 764 (3051+ only)
xx0xx = 772
xx9xx = 788/789
With first 2 numbers being random and last 3 numbers listing the aircraft number (for pmCO the registration actually corresponds with the A/C number, compared to pmUA. How else am I supposed to know the A/C number for N222UA is 2822?)

pmUA numbering isn't necessarily perfect either. A319 is N8xxUA and A320 is N4xxUA. N1xxUA was 744 (how does it correspond with 1?) and pmUA 737 retired shortly before the merger used N3xxUA for 733 and N9xxUA for 735.

For an airline with a fleet of over 900 aircraft and counting there is unfortunately no easy solution.
The PMUA nose numbers do correspond to the registration. 6444 is N644UA and all the 6XXX numbers were for the 767s and the last two correspond to the registrations, hence 6444 for N644UA. N653UA is 6453, etc.

UA would change the nose number second character based on the configuration, which was mostly for their own internal purposes. The domestic 757s pre merger were 54xx while others with ETOPS or ps or Life-Jackets for extended over water had their own 53XX, 59XX, etc with the last two always being part of the registration. That practice ended after the merger but they didnt bother changing them all to match consistently.

The registrations were simply easier. I know the next plane after N801UA is going to be 802UA, 803UA, etc. I dont see your point.

The plane after N16701 is N24702. Not 16702, 16703, etc. Completely jumbled, no rhyme or reason and flatly confusing for those that track tail numbers. With the 321s, if they want the nose number to match the registration they couldve done N4501, N4502, N4503, etc and it wouldve been fine.
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Old May 6, 2024, 3:39 pm
  #232  
 
Join Date: Dec 2023
Location: SFO
Posts: 384
Originally Posted by UAL757222
The PMUA nose numbers do correspond to the registration. 6444 is N644UA and all the 6XXX numbers were for the 767s and the last two correspond to the registrations, hence 6444 for N644UA. N653UA is 6453, etc.
Well aware of that. It is the 2nd number that makes things harder to know.

Originally Posted by UAL757222
UA would change the nose number second character based on the configuration, which was mostly for their own internal purposes. The domestic 757s pre merger were 54xx while others with ETOPS or ps or Life-Jackets for extended over water had their own 53XX, 59XX, etc with the last two always being part of the registration. That practice ended after the merger but they didnt bother changing them all to match consistently.
Thank you for that detail. But since UA no longer updates the 2nd number after an aircraft is configured, that number might as well be random, and it would not change the fact that I would have to look it up online if I want to know the A/C number for a pmUA plane if I have the reg already.

Originally Posted by UAL757222
The registrations were simply easier. I know the next plane after N801UA is going to be 802UA, 803UA, etc. I dont see your point.

The plane after N16701 is N24702. Not 16702, 16703, etc. Completely jumbled, no rhyme or reason and flatly confusing for those that track tail numbers. With the 321s, if they want the nose number to match the registration they couldve done N4501, N4502, N4503, etc and it wouldve been fine.
While the first 2 numbers of pmCO reg numbering do in fact seem random, the last 3 arent. There is a numbering scheme involved. True that it is not easy to track, but there is luckily several websites that have these registrations compiled, alone with many other useful information. NxxxUA can only support 999 aircraft, and thats not considering recently retired aircraft. For registering new planes, it is easier to have the first 2 numbers random, rather than have a suffix, hence probably why UA continues to do so, even if tracking planes is not too ideal.
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Old May 6, 2024, 4:48 pm
  #233  
 
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Originally Posted by sonyeoshin
Well aware of that. It is the 2nd number that makes things harder to know.


Thank you for that detail. But since UA no longer updates the 2nd number after an aircraft is configured, that number might as well be random, and it would not change the fact that I would have to look it up online if I want to know the A/C number for a pmUA plane if I have the reg already.



While the first 2 numbers of pmCO reg numbering do in fact seem random, the last 3 arent. There is a numbering scheme involved. True that it is not easy to track, but there is luckily several websites that have these registrations compiled, alone with many other useful information. NxxxUA can only support 999 aircraft, and thats not considering recently retired aircraft. For registering new planes, it is easier to have the first 2 numbers random, rather than have a suffix, hence probably why UA continues to do so, even if tracking planes is not too ideal.
You are missing the point that is being made. Undoubtedly there will be some lookup table that you can consult to see what type the airplane is. But the point is if you have a logical scheme, you wouldnt have to.

And in your decoder table for CO numbers, you have several aircraft types that all have the same middle number: xx8xx can be either a 753 or 738 or xx0xx being either a 764 or 772.

And the UA scheme does not have to be limited to NxxxUA. The could easily extend the to have other super buckets like NxxxxU or NxxxUB, NxxxUC, etc.
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Old May 6, 2024, 9:48 pm
  #234  
 
Join Date: Jun 2006
Posts: 2,658
UA Paint:
752 N14107 sked to exit AMA 3887/6May in EvoBlu livery
320 N420UA entered CWF 3879/6May for EvoBlu livery
739 N81449 sked to enter AMA 3888/7May for EvoBlu livery

Re N numbers:
Head through the FAA's N number database and see how many 3-digit numbers there are in a complete set of 100 ending with UA. The same issue will take place for 4 digits ending in U. The only one that would make sense is to have the 3-digit number followed by U, then an available letter. That's what Delta is mostly doing, but they have several fleets using the same start number: 220/319/320/321/738 all have 300 fleet numbers - is that easier??
If the only scheme UA had was XXXUA, it would top off at 900 aircraft (you can't start an N number with "0"). And that would be 900 only if fleets came in blocks of 100 or 2 blocks totaling 100. UA currently has 17 different mainline aircraft types.

FYI: CO couldn't number their aircraft with CO at the end since the letter O is not allowed.
UA is trying different schemes now and getting into 4-digit fleet numbers in the N number MAXs and 321neos with the fleet number following a first random number that's available to register (only 9 available).

UA doesn't have the luxury of going through hoops to garner numbers already taken, especially when the scheme won't cover the entire fleet due to the airline's size.

As I might have mentioned earlier in the thread I think at least some of WN's fleet has the best system. 4 digit fleet number followed by whatever letters are available starting with A. You have over 20 options to end each fleet-numbered aircraft under this scheme. This would allow 9,999 aircraft.
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Old May 7, 2024, 10:58 am
  #235  
 
Join Date: Apr 2019
Posts: 230
The hits just keep on coming at Boeing. Wonder if this will affect the 5 theyre getting this year or in-service ones

https://www.businessinsider.com/boei...4OknQBqdazO58w
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Old May 7, 2024, 11:03 am
  #236  
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Originally Posted by UAL757222
The hits just keep on coming at Boeing. Wonder if this will affect the 5 theyre getting this year or in-service ones

https://www.businessinsider.com/boei...4OknQBqdazO58w
The bad news keeps compounding.
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Old May 7, 2024, 9:29 pm
  #237  
 
Join Date: Jun 2006
Posts: 2,658
739 Paint:
N81449 entered AMA 3888/7May for EvoBlu livery
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Old May 8, 2024, 8:53 pm
  #238  
 
Join Date: Jun 2006
Posts: 2,658
UA Paint:
320 N484UA sked to exit ROW 3854/9May in EvoBlu livery
738 N17244 sked to exit AMA 3876/8May in EvoBlu livery
739 N39463 entered AMA 3875/8May for EvoBlu livery
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Old May 9, 2024, 9:31 am
  #239  
 
Join Date: May 2023
Posts: 20
Question here. I have a slight theory but I have no way to prove it. Could N12754 be the first 737-700 to receive the NEXT cabin upgrade?
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Old May 9, 2024, 9:41 am
  #240  
 
Join Date: May 2023
Posts: 20
739ER NEXT:
N62849 confirmed with NEXT configuration and amenities. (Source: UA Flight Status)
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