United Airlines
Is UA4427 delayed?
No, UA4427 landed in St Louis 33 min early, at 09:33 on Nov 14 (as of Nov 14, 15:34 UTC).
Usually on time: arrived within 15 min of schedule on 16 of the last 19 flights.
33 min early
Official source · Updated
Departure
Dulles
IAD
Actual
Scheduled 09:01
Nov 14
Arrival
St Louis
STL
Actual
Scheduled 10:06
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Also sold as NZ2558
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 33 min early
Dulles → St Louis
- 19 min early
Dulles → St Louis
- 21 min early
Dulles → St Louis
- 29 min early
Dulles → St Louis
- 30 min early
Dulles → St Louis
Is UA4427 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Dulles (IAD) departures
- Left more than 15 min late
- 17 of 46
- Cancelled today
- 28
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 14, 2026Arrived | Dulles | St Louis | -33 | |
| Nov 13, 2026Arrived | Dulles | St Louis | -19 | |
| Nov 12, 2026Arrived | Dulles | St Louis | -21 | |
| Nov 11, 2026Arrived | Dulles | St Louis | -29 | |
| Nov 10, 2026Arrived | Dulles | St Louis | -30 | |
| Nov 9, 2026Arrived | Dulles | St Louis | -27 | |
| Nov 8, 2026Arrived | Dulles | St Louis | -15 | |
| Nov 7, 2026Arrived | Dulles | St Louis | -9 | |
| Nov 6, 2026Arrived | Dulles | St Louis | 201 | |
| Nov 5, 2026Arrived | Dulles | St Louis | -23 | |
| Nov 4, 2026Arrived | Dulles | St Louis | -26 | |
| Nov 2, 2026Arrived | Dulles | St Louis | -24 | |
| Nov 1, 2026Arrived | Dulles | St Louis | 195 | |
| Oct 31, 2026Arrived | Dulles | St Louis | -20 | |
| Oct 30, 2026Arrived | Dulles | St Louis | 187 | |
| Oct 29, 2026Arrived | Dulles | St Louis | -34 | |
| Oct 28, 2026Arrived | Dulles | St Louis | -35 | |
| Oct 27, 2026Arrived | Dulles | St Louis | -41 | |
| Oct 26, 2026Arrived | Dulles | St Louis | -27 | |
| Oct 25, 2026Arrived | Little Rock | Chicago | Not available |