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-   -   GUIDE: LHR / London Heathrow Connection, MCT inc. AA T3 <--> BA/IB T5 (https://www.flyertalk.com/forum/american-airlines-aadvantage/1321109-guide-lhr-london-heathrow-connection-mct-inc-aa-t3-ba-ib-t5.html)

C46 Nov 28, 18 7:40 am

And the whole point of this thread, is the dislike of AA's axing of JFK-ZRH...?!

nrr Nov 28, 18 7:54 am


Originally Posted by C46 (Post 30475503)
And the whole point of this thread, is the dislike of AA's axing of JFK-ZRH...?!

Yes.:D as well as the "fun" operation of connecting in LHR.

airmarc Dec 3, 18 7:39 am

Greetings all,

I am flying MIA-LHR-HAM next week. This is 2 separate itineraries meaning MIA-LHR is on one ticket with AA, and then the onwards leg was booked with BA. I have 2 hours connection time and not checking a bag. Will I be able to stay airside and simply switch terminals (assuming I can check in at a connections counter or obtain my boarding pass online for the BA flight)

Any help is appreciated thanks!

JJeffrey Dec 3, 18 7:42 am


Originally Posted by airmarc (Post 30493537)
Greetings all,

I am flying MIA-LHR-HAM next week. This is 2 separate itineraries meaning MIA-LHR is on one ticket with AA, and then the onwards leg was booked with BA. I have 2 hours connection time and not checking a bag. Will I be able to stay airside and simply switch terminals (assuming I can check in at a connections counter or obtain my boarding pass online for the BA flight)

Any help is appreciated thanks!

Yes, this is no problem. After arriving just follow signs to flight connections and hop on the bus to T5. Either do OLCI and print your LHR-HAM BP, or just stop a the BA desks once you get to T5 before the conformance/security checks.

QueenOfCoach Dec 3, 18 8:13 am


Originally Posted by airmarc (Post 30493537)
I am flying MIA-LHR-HAM next week. This is 2 separate itineraries meaning MIA-LHR is on one ticket with AA, and then the onwards leg was booked with BA. I have 2 hours connection time and not checking a bag. Will I be able to stay airside and simply switch terminals (assuming I can check in at a connections counter or obtain my boarding pass online for the BA flight)

You can stay airside, but you will have to switch terminals and go through LHR security.

Your AA flight will very likely land in T3 and your BA flight will likely leave from T5.

Here's the drill. You land and follow the crowd down the concourse. Look for purple "Flight Connections" signs. Follow those purple signs that direct you to T5. That will take you to a bus waiting area. Get on the bus then get off at T5.

Upon arrival in T5, go up the escalator and again follow the purple signs to Flight Connections. Here is the place where you will get your new boarding pass. (Either that or download the BA app and get a mobile boarding pass.) Next is Flight Conformance. Someone will check your boarding pass, then send you up an escalator to LHR T5 Security, where you will go through the full security check. Unless you have heavy clunky shoes (avoid), you can keep your shoes on, but laptops, tables, Kindles, 3-1-1 liquids, etc, all come out of the bag.

After Security, you go into the main lounge area. They do not announce gates until they are ready to open the gate to departing passengers. In other words, you can't just go to your gate and wait there. Find a place in the departure lounge where you can watch the TV monitors and wait for your flight's gate to be announced, then make your way to the gate. Don't dawdle. They expect people to go directly to the gate once it's announced.

If you have extra time, you might want to walk around T5 to acquaint yourself with the layout before your flight gate is announced on the TV monitors.

Some flights leave from the two other T5 terminals, namely T5B and T5C. Usually they announce that on the TV monitor so you can make your way to T5B or T5C then wait there for the gate assignment. If you have to go to T5B or T5C, you will take a mini-train. The elevator to the T5B and T5C mini-train is on the south side of the terminal, clearly marked. Ask someone if you are unsure.

Note that the mini-train trip is one-way. You can't just get on the train to go sightseeing, then come back to T5A. When the mini-train gets to its destination, they check to see the train is free of passengers before letting the next group on. This way they isolate the arrivals from the departures.

When it's time to go back home, you'll do the same thing in reverse. Land at T5, follow the purple Flight Connection signs to the bus to T3, then go through LHR T3 security, then wait in the departure lounge.

airmarc Dec 3, 18 8:49 am

Thank you all for the info!!!!

Oaxaca Dec 3, 18 8:51 am


Originally Posted by QueenOfCoach (Post 30493653)
You can stay airside, but you will have to switch terminals and go through LHR security.

Your AA flight will very likely land in T3 and your BA flight will likely leave from T5.

Not likely, this will definitely be the case for AA>BA MIA-LHR-HAM next week,



Originally Posted by QueenOfCoach (Post 30493653)

Upon arrival in T5, go up the escalator and again follow the purple signs to Flight Connections. Here is the place where you will get your new boarding pass. (Either that or download the BA app and get a mobile boarding pass.) Next is Flight Conformance. Someone will check your boarding pass, then send you up an escalator to LHR T5 Security, where you will go through the full security check. Unless you have heavy clunky shoes (avoid), you can keep your shoes on, but laptops, tables, Kindles, 3-1-1 liquids, etc, all come out of the bag.

After Security, you go into the main lounge area. They do not announce gates until they are ready to open the gate to departing passengers. In other words, you can't just go to your gate and wait there. Find a place in the departure lounge where you can watch the TV monitors and wait for your flight's gate to be announced, then make your way to the gate. Don't dawdle. They expect people to go directly to the gate once it's announced.

Good advice, a couple of extra points:

The deadline for conformance (boarding pass check at T5 connections security is 35 mins prior to the scheduled departure time of the onward flight. It's possible there is a little flexibility on this (not if coming from landside), but don't count on it. If possible print (or download via BA app) your onward BP, this can be done from 24 hours prior to the departure time.

In T5 gates are mostly announced (on screens) 1 hour prior to scheduled departure. Not really the case that you need to go immediately for a short haul flight, these are unlikely to board more than 30 mins prior to scheduled departure (except perhaps gates A4 and A10 for remote stands)



Originally Posted by QueenOfCoach (Post 30493653)

Some flights leave from the two other T5 terminals, namely T5B and T5C. Usually they announce that on the TV monitor so you can make your way to T5B or T5C then wait there for the gate assignment. If you have to go to T5B or T5C, you will take a mini-train. The elevator to the T5B and T5C mini-train is on the south side of the terminal, clearly marked.

Majority of short haul flights go from the main T5A terminal, but it is possible that it will be T5B/C. Best to stay in T5A until the gate is shown on screens, since these can change even last minute at LHR. The shuttle train elevator is pretty much in the centre of the terminal.


Originally Posted by QueenOfCoach (Post 30493653)

Note that the mini-train trip is one-way. You can't just get on the train to go sightseeing, then come back to T5A. When the mini-train gets to its destination, they check to see the train is free of passengers before letting the next group on. This way they isolate the arrivals from the departures.

Not strictly true, but maybe better to leave it like this for a beginner :)

2 hours "connection" on separate tickets is brave, though of course quite possible if the TATL is on time (or even up to an hour late, but be prepared to run in that case).

KARFA Dec 3, 18 10:02 am


Originally Posted by QueenOfCoach (Post 30493653)
Note that the mini-train trip is one-way. You can't just get on the train to go sightseeing, then come back to T5A. When the mini-train gets to its destination, they check to see the train is free of passengers before letting the next group on. This way they isolate the arrivals from the departures.

They no longer do any checks at T5C before the transit comes back to T5A. This is a way to "land" yourself from the departures area in T5, staying on the transit means you swap to the arrivals stream in coming back from T5C.

QueenOfCoach Dec 3, 18 12:53 pm


Originally Posted by KARFA (Post 30494052)
They no longer do any checks at T5C before the transit comes back to T5A. This is a way to "land" yourself from the departures area in T5, staying on the transit means you swap to the arrivals stream in coming back from T5C.

Thank you for the correction.

QueenOfCoach Dec 3, 18 12:58 pm


Originally Posted by Oaxaca (Post 30493798)
Majority of short haul flights go from the main T5A terminal, but it is possible that it will be T5B/C. Best to stay in T5A until the gate is shown on screens, since these can change even last minute at LHR. The shuttle train elevator is pretty much in the centre of the terminal.

True. I fly every year LAX-LHR-Germany, usually DUS. Every year I have flown out of T5A to Germany.

This year was the exception. Due to a late-arriving aircraft and difficulty finding a gate, our flight was from T5C. Thanks to the BA forum people and their detailed messages on LHR transfers, I was prepared for the mini-train and knew where to look for the elevator.

shutter41 Dec 4, 18 7:11 am

I'll be connecting from a non-OW flight (UA, terminal 2 I assume) to a BA flight (terminal 5 I assume) with a 1:50 connection. Is it better to check bags or not check bags for this transfer? I assume I'll have to re-clear security? What's the easiest way to make that transfer? I believe bags can be checked through since I booked the flights together (through United).

JJeffrey Dec 4, 18 7:22 am


Originally Posted by shutter41 (Post 30497377)
I'll be connecting from a non-OW flight (UA, terminal 2 I assume) to a BA flight (terminal 5 I assume) with a 1:50 connection. Is it better to check bags or not check bags for this transfer? I assume I'll have to re-clear security? What's the easiest way to make that transfer? I believe bags can be checked through since I booked the flights together (through United).

If it's booked on a single ticket through UA then your bags will be checked through. LHR sees tons of connections like this, so it's not unusual to have bags connecting from T2 to T5, etc. What is your final destination on BA? It's easy to search online and see if you will depart from T5 or T3. Once you land at LHR, just follow the signs to flight connections and take the bus to T5 or T3. Once you arrive at T5/T3 there will be BA desks if you need to get your boarding pass, after this you will clear security again and then be in the departures area.

QueenOfCoach Dec 4, 18 8:11 am


Originally Posted by shutter41 (Post 30497377)
I assume I'll have to re-clear security? What's the easiest way to make that transfer?

Yes, you will re-clear security upon entering your departure terminal. That is a given. You just get off your arriving flight and follow the purple Flight Connection signs.

pmblinn Dec 4, 18 9:31 am


Originally Posted by shutter41 (Post 30497377)
I'll be connecting from a non-OW flight (UA, terminal 2 I assume) to a BA flight (terminal 5 I assume) with a 1:50 connection. Is it better to check bags or not check bags for this transfer? I assume I'll have to re-clear security? What's the easiest way to make that transfer? I believe bags can be checked through since I booked the flights together (through United).

The LHR website has a nifty "Flight Connections" tool. You enter your arriving and departing flights/dates and it kicks out step-by-step detailed connecting instructions, including inter-terminal transfers. I've never been steered wrong by it.

wakesetter93 Dec 4, 18 9:41 am


Originally Posted by pmblinn (Post 30497832)
The LHR website has a nifty "Flight Connections" tool. You enter your arriving and departing flights/dates and it kicks out step-by-step detailed connecting instructions, including inter-terminal transfers. I've never been steered wrong by it.

I'm assuming that this is airline related and not gate related? For instance if I'm flying in on AA and out on BA it'll just give me the directions from T3 to T5, or by inputting the flight numbers and dates will it provide gate to gate information closer to the day of travel?


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