Is UA4 delayed?
Service date: · Scheduled departure date (Europe/London)
Arrived
13 min early
Updated
Departure
London
LHR
Actual
Scheduled 13:40
Aug 29
Arrival
Houston
IAH
Actual
Scheduled 18:00
Aug 29
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 1 min late
LHR → IAH
- 7 min early
LHR → IAH
- 24 min late
LHR → IAH
- 20 min late
LHR → IAH
- 3 min early
LHR → IAH
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 24
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 0
- Observed occurrences
- 30
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 16, 2026Arrived | London | Houston | 1 | |
| Sep 15, 2026Arrived | London | Houston | -7 | |
| Sep 14, 2026Arrived | London | Houston | 24 | |
| Sep 13, 2026Arrived | London | Houston | 20 | |
| Sep 11, 2026Arrived | London | Houston | -3 | |
| Sep 10, 2026Arrived | London | Houston | -14 | |
| Sep 9, 2026Arrived | London | Houston | -8 | |
| Sep 7, 2026Arrived | London | Houston | 9 | |
| Sep 6, 2026Arrived | London | Houston | -41 | |
| Sep 5, 2026Arrived | London | Houston | -18 | |
| Sep 4, 2026Arrived | London | Houston | -29 | |
| Sep 3, 2026Arrived | London | Houston | 31 | |
| Sep 2, 2026Arrived | London | Houston | 20 | |
| Sep 1, 2026Arrived | London | Houston | 9 | |
| Aug 31, 2026Arrived | London | Houston | -28 | |
| Aug 30, 2026Arrived | London | Houston | -49 | |
| Aug 29, 2026Arrived | London | Houston | -13 | |
| Aug 28, 2026Arrived | London | Houston | 16 | |
| Aug 27, 2026Arrived | London | Houston | 0 | |
| Aug 26, 2026Arrived | London | Houston | 7 | |
| Aug 25, 2026Arrived | London | Houston | -30 | |
| Aug 24, 2026Arrived | London | Houston | 23 | |
| Aug 23, 2026Arrived | London | Houston | -35 | |
| Aug 21, 2026Arrived | London | Houston | -26 |