Last-Minute Upgrades (LMUs) - information and data points - 2022 onwards
#136
Join Date: Aug 2021
Programs: AC Plebeian Super Elite
Posts: 50
"Hacking" LMU to save on full J on last minute flights
Situation: Say I can only buy a full fare J ticket (TB) for a flight I need to take in T+3 days. As a result, that flight is $$$. Because full J is refundable without fees, my intent is to buy a full J ticket to 'hold' onto the seat.
Question: If I buy a flex economy ticket at T-24 hours to that flight I'm holding above, can I just 1) See if a LMU is available, and 2) If available, put in my LMU, and if it clears, I cancel my full J ticket and save a few $ while sitting in business class or 3) If LMU not available, cancel my flex economy ticket as it's booked within 24 hours?
I'm trying to minimize my total cost of airfare and my goal is to sit in business class.
Question: If I buy a flex economy ticket at T-24 hours to that flight I'm holding above, can I just 1) See if a LMU is available, and 2) If available, put in my LMU, and if it clears, I cancel my full J ticket and save a few $ while sitting in business class or 3) If LMU not available, cancel my flex economy ticket as it's booked within 24 hours?
I'm trying to minimize my total cost of airfare and my goal is to sit in business class.
#138
Join Date: Aug 2021
Programs: AC Plebeian Super Elite
Posts: 50
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Edited: Now that I think of it, another option is to do this with air canada upgrade bids. Buy flex Y, put in a bid upgrade, and 48 hours or so out see if it's been accepted. If not, buy full J...
Last edited by kubees; Jan 25, 2024 at 6:44 am
#139
Join Date: Aug 2013
Location: YVR - MILLS Waypoint (It's the third house on the left)
Programs: AC*SE100K, wood level status in various other programs
Posts: 6,233
We know that the dupe detector exists, I just don't think there has been enough data points shared on FT to determine exactly how it behaves. So, like Symmetre says, you're taking a risk.
#140
formerly known as DeltaNYC
Join Date: Mar 2002
Location: YYZ, mostly...
Programs: AC SE100K / BA Bronze / Marriott Ambassador (LT Plat) / Hilton Diamond / IHG Plat
Posts: 1,704
Situation: Say I can only buy a full fare J ticket (TB) for a flight I need to take in T+3 days. As a result, that flight is $$$. Because full J is refundable without fees, my intent is to buy a full J ticket to 'hold' onto the seat.
Question: If I buy a flex economy ticket at T-24 hours to that flight I'm holding above, can I just 1) See if a LMU is available, and 2) If available, put in my LMU, and if it clears, I cancel my full J ticket and save a few $ while sitting in business class or 3) If LMU not available, cancel my flex economy ticket as it's booked within 24 hours?
I'm trying to minimize my total cost of airfare and my goal is to sit in business class.
Question: If I buy a flex economy ticket at T-24 hours to that flight I'm holding above, can I just 1) See if a LMU is available, and 2) If available, put in my LMU, and if it clears, I cancel my full J ticket and save a few $ while sitting in business class or 3) If LMU not available, cancel my flex economy ticket as it's booked within 24 hours?
I'm trying to minimize my total cost of airfare and my goal is to sit in business class.
#141
Join Date: Aug 2021
Programs: AC Plebeian Super Elite
Posts: 50
All of that said, I don't think there's anything wrong with:
"Now that I think of it, another option is to do this with air canada upgrade bids. Buy flex Y, put in a bid upgrade, and 48 hours or so out see if it's been accepted. If not, buy full J..." Win win for AC?
"Now that I think of it, another option is to do this with air canada upgrade bids. Buy flex Y, put in a bid upgrade, and 48 hours or so out see if it's been accepted. If not, buy full J..." Win win for AC?
#142
Moderator, Air Canada; FlyerTalk Evangelist
Original Poster
Join Date: Feb 2015
Location: YYC
Programs: AC SE MM, FB Plat, WS Plat, BA Silver, DL GM, Marriott Plat, Hilton Gold, Accor Silver
Posts: 16,779
Situation: Say I can only buy a full fare J ticket (TB) for a flight I need to take in T+3 days. As a result, that flight is $$$. Because full J is refundable without fees, my intent is to buy a full J ticket to 'hold' onto the seat.
Question: If I buy a flex economy ticket at T-24 hours to that flight I'm holding above, can I just 1) See if a LMU is available, and 2) If available, put in my LMU, and if it clears, I cancel my full J ticket and save a few $ while sitting in business class or 3) If LMU not available, cancel my flex economy ticket as it's booked within 24 hours?
Question: If I buy a flex economy ticket at T-24 hours to that flight I'm holding above, can I just 1) See if a LMU is available, and 2) If available, put in my LMU, and if it clears, I cancel my full J ticket and save a few $ while sitting in business class or 3) If LMU not available, cancel my flex economy ticket as it's booked within 24 hours?
Just to clarify, while you certainly could do this, the "difficulty" in making two bookings is that the dupe detector will flag this and may cancel one of your bookings.
We know that the dupe detector exists, I just don't think there has been enough data points shared on FT to determine exactly how it behaves. So, like Symmetre says, you're taking a risk.
We know that the dupe detector exists, I just don't think there has been enough data points shared on FT to determine exactly how it behaves. So, like Symmetre says, you're taking a risk.
What I will say in the context of @kubees's question is that the dupe detector always provides some time period within which to clear the duplicates. That time period seems to be correlated to the time between detection and the flight, but even at T-24, I don't think it's going to cancel them in 5 minutes, so the strategy of booking an economy ticket at T-24 and immediately checking in to see whether LMU is available should not be impacted by the dupe detector. I wouldn't let the two bookings hang out for hours - I would immediately cancel whichever one I didn't want - but provided this is worked through promptly, auto-cancel shouldn't be a problem.
All that being said, @kubees, I would suggest that if AC ever figured out what you were doing, they would not be too pleased. I don't know that they'd have any legal recourse, but could they come after your status or Aeroplan account or something? Maybe. This might be kind of like hidden-city ticketing in that it's pretty much against the rules, but are they likely to catch you, and, if they do, do anything about it if you only do it once in a while? So it's up to you how much risk you want to assume.
#143
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All that being said, @kubees, I would suggest that if AC ever figured out what you were doing, they would not be too pleased. I don't know that they'd have any legal recourse, but could they come after your status or Aeroplan account or something? Maybe. This might be kind of like hidden-city ticketing in that it's pretty much against the rules, but are they likely to catch you, and, if they do, do anything about it if you only do it once in a while? So it's up to you how much risk you want to assume.
If they'll take away your status for using the MLL before cancelling your flight, they could certainly do it for this. Or send you an invoice for the fare difference (I've seen AC send much more stupid invoices after the fact), followed by sending you to collections (I've also seen that for much more stupid reasons).
#144
Join Date: Jun 2023
Location: YQR
Programs: Marriott Gold, Hilton Gold, Sixt Platinum, National EE
Posts: 14
Some recent data points on short haul LMU's on some CR9 flights:
YQR-YVR AC8189
J8 R6 at T-24
LMU offered $235.20 CAD
SAN-YVR AC8763
J6 R5 at T-24
LMU offered for $261.57 USD ($350 CAD exactly)
YVR-YQR AC8192
J6 R4 at T-24, more space seemed to open up before the flight, seemingly to 9
LMU offered for $186.64 USD ($250 CAD exactly)
Ended up not accepting any of the 3 offers, seemed too high for CR9 business class and the short length of the flights.
YQR-YVR AC8189
J8 R6 at T-24
LMU offered $235.20 CAD
SAN-YVR AC8763
J6 R5 at T-24
LMU offered for $261.57 USD ($350 CAD exactly)
YVR-YQR AC8192
J6 R4 at T-24, more space seemed to open up before the flight, seemingly to 9
LMU offered for $186.64 USD ($250 CAD exactly)
Ended up not accepting any of the 3 offers, seemed too high for CR9 business class and the short length of the flights.
Last edited by Pentryn; Feb 1, 2024 at 12:24 pm
#145
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CUN-YYZ tonight for two.
PY was 17,200 points + 63.30 CAD per person when I booked 3 days ago.
LMU is 1899 MXN.
AC 925 CUN-YYZ 22:30 - 02:20+1 333 J9 C9 D9 Z9 P9 R9 O9 E9 A9 N9 Y9 B9 M9 U9 H9 Q9 V9 W9 S9 T9 L9 K0 G0
I doubt the cousin+1 are going to pay it, and since I already bought the ticket for them, I'm not super interested in throwing another 100 USD at each person. But... that's cheap.
PY was 17,200 points + 63.30 CAD per person when I booked 3 days ago.
LMU is 1899 MXN.
AC 925 CUN-YYZ 22:30 - 02:20+1 333 J9 C9 D9 Z9 P9 R9 O9 E9 A9 N9 Y9 B9 M9 U9 H9 Q9 V9 W9 S9 T9 L9 K0 G0
I doubt the cousin+1 are going to pay it, and since I already bought the ticket for them, I'm not super interested in throwing another 100 USD at each person. But... that's cheap.
Last edited by canadiancow; Feb 27, 2024 at 11:48 am Reason: fixed currency
#146
Moderator, Air Canada; FlyerTalk Evangelist
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#148
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#150
A FlyerTalk Posting Legend
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