Is UA4187 delayed?
No — UA4187 landed in Buffalo 22 min early, at 14:48 on Sep 29 (as of Sep 29, 18:49 UTC).
Usually on time: arrived within 15 min of schedule on 20 of the last 24 flights.
22 min early
Official source · Updated
Departure
Newark
EWR
Scheduled
Sep 29
Arrival
Buffalo
BUF
Actual
Scheduled 15:10
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Market settled: On time.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 22 min early
Newark → Buffalo
- On time
Newark → Buffalo
- 12 min early
Newark → Buffalo
- On time
Newark → Buffalo
- 5 min early
Newark → Buffalo
Is UA4187 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
Newark (EWR) departures
- Left more than 15 min late
- 0 of 5
- Cancelled today
- 1
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Newark | Buffalo | -22 | |
| Sep 28, 2026Arrived | Newark | Buffalo | 0 | |
| Sep 27, 2026Arrived | Newark | Buffalo | -12 | |
| Sep 26, 2026Arrived | Newark | Buffalo | 0 | |
| Sep 25, 2026Arrived | Newark | Buffalo | -5 | |
| Sep 24, 2026Arrived | Newark | Buffalo | 17 | |
| Sep 23, 2026Arrived | Dayton | Dulles | 25 | |
| Sep 22, 2026Arrived | Dayton | Dulles | -15 | |
| Sep 21, 2026Arrived | Dayton | Dulles | 4 | |
| Sep 20, 2026Arrived | Dayton | Dulles | -1 | |
| Sep 19, 2026Arrived | Dayton | Dulles | 81 | |
| Sep 18, 2026Arrived | Dayton | Dulles | -7 | |
| Sep 17, 2026Arrived | Dayton | Dulles | 35 | |
| Sep 16, 2026Arrived | Dayton | Dulles | -21 | |
| Sep 14, 2026Arrived | Dayton | Dulles | -22 | |
| Sep 12, 2026Arrived | Dayton | Dulles | -14 | |
| Sep 11, 2026Arrived | Dayton | Dulles | -5 | |
| Sep 10, 2026Arrived | Dayton | Dulles | -20 | |
| Sep 9, 2026Arrived | Dayton | Dulles | -26 | |
| Sep 8, 2026Arrived | Little Rock | Houston | -19 | |
| Sep 7, 2026Arrived | Newark | Buffalo | -37 | |
| Sep 6, 2026Arrived | Newark | Buffalo | -29 | |
| Sep 5, 2026Arrived | Newark | Buffalo | -33 | |
| Sep 4, 2026Arrived | Newark | Buffalo | -1 | |
| Sep 2, 2026Cancelled | Newark | Buffalo | Not available | Not available |
| Sep 1, 2026Cancelled | Newark | Buffalo | Not available | Not available |
Email me if UA4187 runs late
We email you if your next UA4187 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.