Is UAL4077 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
39 min early
Official source · Updated
Departure
Washington
DCA
Actual
Scheduled 14:55
Sep 9
Arrival
Houston
IAH
Actual
Scheduled 17:09
Sep 9
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 26 min early
DCA → IAH
- 11 min early
IAD → BDL
- 23 min early
DCA → IAH
- 137 min late
DCA → IAH
- 37 min early
DCA → IAH
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 17
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 17
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 20, 2026Arrived | Washington | Houston | -26 | |
| Sep 19, 2026Arrived | Dulles | Hartford | -11 | |
| Sep 18, 2026Arrived | Washington | Houston | -23 | |
| Sep 17, 2026Arrived | Washington | Houston | 137 | |
| Sep 16, 2026Arrived | Washington | Houston | -37 | |
| Sep 15, 2026Arrived | Washington | Houston | -5 | |
| Sep 14, 2026Arrived | Washington | Houston | -13 | |
| Sep 13, 2026Arrived | Washington | Houston | -5 | |
| Sep 12, 2026Arrived | Dulles | Hartford | -19 | |
| Sep 11, 2026Arrived | Washington | Houston | -37 | |
| Sep 10, 2026Arrived | Washington | Houston | -32 | |
| Sep 9, 2026Arrived | Washington | Houston | -39 | |
| Sep 8, 2026Arrived | Washington | Houston | -34 | |
| Sep 7, 2026Arrived | Richmond | Houston | -1 | |
| Sep 6, 2026Arrived | Richmond | Houston | -36 | |
| Sep 5, 2026Arrived | Richmond | Houston | 0 | |
| Sep 4, 2026Arrived | Richmond | Houston | -23 |