Is UA4437 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
350 min late
Official source · Updated
Departure
Greensboro
GSO
Actual
Scheduled 19:25
Sep 18
Arrival
Dulles
IAD
Actual
Scheduled 16:28
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
GSOIAD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 147 min late
GSO → IAD
- 350 min late
GSO → IAD
- 14 min late
GSO → IAD
- 3 min early
GSO → IAD
- 12 min early
GSO → IAD
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 1
- Observed occurrences
- 14
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 19, 2026Arrived | Greensboro | Dulles | 147 | |
| Sep 18, 2026Cancelled | Greensboro | Dulles | Not available | Not available |
| Sep 17, 2026Arrived | Greensboro | Dulles | 350 | |
| Sep 16, 2026Arrived | Greensboro | Dulles | 14 | |
| Sep 15, 2026Arrived | Greensboro | Dulles | -3 | |
| Sep 12, 2026Arrived | Greensboro | Dulles | -12 | |
| Sep 11, 2026Arrived | Greensboro | Dulles | -20 | |
| Sep 10, 2026Arrived | Greensboro | Dulles | -18 | |
| Sep 9, 2026Arrived | Greensboro | Dulles | -7 | |
| Sep 8, 2026Arrived | Greensboro | Dulles | -19 | |
| Sep 7, 2026Arrived | Greensboro | Chicago | -15 | |
| Sep 6, 2026Arrived | Greensboro | Chicago | -6 | |
| Sep 5, 2026Arrived | Greensboro | Chicago | 32 | |
| Sep 4, 2026Arrived | Greensboro | Chicago | -15 |