United Airlines
Is UA4491 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
4 min early
Official source · Updated
Departure
Newark
EWR
Scheduled
Sep 8
Arrival
Nantucket
ACK
Actual
Scheduled 18:56
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
EWRACK
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On time
EWR → ACK
- 3 min early
EWR → ACK
- 30 min early
EWR → ACK
- 18 min early
EWR → ACK
- 26 min early
EWR → ACK
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 9
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 23
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 | Newark | Nantucket | 0 | |
| Sep 14, 2026Arrived | Newark | Nantucket | -3 | |
| Sep 12, 2026Arrived | Newark | Nantucket | -30 | |
| Sep 10, 2026Arrived | Newark | Nantucket | -18 | |
| Sep 9, 2026Arrived | Newark | Nantucket | -26 | |
| Sep 8, 2026Arrived | Newark | Nantucket | -4 | |
| Sep 7, 2026Arrived | Newark | Nantucket | -23 | |
| Sep 5, 2026Arrived | Newark | Nantucket | -28 | |
| Sep 4, 2026Arrived | Newark | Nantucket | -25 |