LHR · London · Terminal T2
United Airlines Check-in at London Heathrow Airport
United Airlines departs from Terminal T2 at London Heathrow Airport. Online check-in opens 24h before departure.
United Airlines check-in rules at LHR
Step-by-step at London Heathrow Airport
-
Check in online
Open the United Airlines app or website 24 hours before departure. Save the boarding pass to your phone wallet.
-
Arrive at Terminal T2
United Airlines flights at LHR depart only from Terminal T2. Allow 120 minutes from arrival to gate.
-
Drop off bags at T2 main hall
Bag-drop 3 hours before departure, closes 60 minutes before departure. Self-service kiosks available.
-
Clear security
Submit your wait time on the airport page above to help others. Standard liquids rule: 100 ml in a single transparent bag.
-
Walk to gate T2 gates A1–A23
Allow 5–15 minutes from security to your gate. Boarding starts 45 minutes (long-haul) before departure; gate closes 15 minutes before.
Boarding United Airlines at LHR
Terminal T2 notes
-
Typical gates
United Airlines flights typically depart from gates T2 gates A1–A23.
-
Walk time
Expect 5–15 minutes from security to the furthest gate.
-
Eat & shop
T2 has Pret, Wagamama, Yotel. Reasonably good food selection at the Star Alliance terminal.
-
Lounges
Star Alliance Lounge (Business + Star Alliance Gold) — shared by all Star Alliance carriers. United also has a smaller dedicated MileagePlus area.
-
Family / accessibility
Family priority lane at T2 security. Stroller drop at gate. United offers children's meals on long-haul if pre-ordered 24h+ before.
Known issues at LHR with United Airlines
US-bound APIS data needed
Problem: Flights to US blocked until ESTA + passport + US address entered.
Solution: Use 'My Trips' on united.com 24h+ before departure. The United app handles passport scanning fastest.
Some Star Alliance codeshares need partner check-in
Problem: Lufthansa-operated flights with UA flight numbers cannot use United's online check-in.
Solution: Check 'Operated by' — if Lufthansa or other Star carrier, use their respective sites.
Estimate your EU 261 compensation
Flights to/from the EU, delayed 3+ hours or cancelled with less than 14 days' notice, are eligible for €250–€600 in compensation. Check your eligibility in 60 seconds: