United Airlines
Is UA4857 delayed?
No — UA4857 landed in Dulles 19 min early, at 10:52 on Sep 23 (as of Sep 23, 14:52 UTC).
Usually on time: arrived within 15 min of schedule on 19 of the last 20 flights.
19 min early
Official source · Updated
Departure
Manchester
MHT
Actual
Scheduled 09:39
Sep 23
Arrival
Dulles
IAD
Actual
Scheduled 11:12
Sep 23
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
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 19 min early
Manchester → Dulles
- 19 min early
Manchester → Dulles
- 18 min early
Manchester → Dulles
- 15 min early
Manchester → Dulles
- 8 min early
Manchester → Dulles
Is UA4857 usually late?
Observation window: Aug 31, 2026 – Sep 30, 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. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Dulles (IAD) departures
- Left more than 15 min late
- 28 of 194
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 23, 2026Arrived | Manchester | Dulles | -19 | |
| Sep 22, 2026Arrived | Manchester | Dulles | -19 | |
| Sep 21, 2026Arrived | Manchester | Dulles | -18 | |
| Sep 20, 2026Arrived | Manchester | Dulles | -15 | |
| Sep 19, 2026Arrived | Manchester | Dulles | -8 | |
| Sep 18, 2026Arrived | Manchester | Dulles | -4 | |
| Sep 17, 2026Arrived | Manchester | Dulles | -28 | |
| Sep 16, 2026Arrived | Manchester | Dulles | -27 | |
| Sep 15, 2026Arrived | Manchester | Dulles | -24 | |
| Sep 14, 2026Arrived | Manchester | Dulles | -11 | |
| Sep 13, 2026Arrived | Manchester | Dulles | -2 | |
| Sep 12, 2026Arrived | Manchester | Dulles | -19 | |
| Sep 11, 2026Arrived | Manchester | Dulles | -3 | |
| Sep 10, 2026Arrived | Manchester | Dulles | -11 | |
| Sep 9, 2026Arrived | Manchester | Dulles | -12 | |
| Sep 8, 2026Arrived | Manchester | Dulles | -23 | |
| Sep 7, 2026Arrived | Manchester | Dulles | -31 | |
| Sep 6, 2026Arrived | Manchester | Dulles | -30 | |
| Sep 5, 2026Arrived | Manchester | Dulles | -20 | |
| Sep 4, 2026Arrived | Manchester | Dulles | 187 |
Email me if UA4857 runs late
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