Is UA4534 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
31 min early
Updated
Departure
Chicago
ORD
Actual
Scheduled 10:25
Aug 26
Arrival
Buffalo
BUF
Actual
Scheduled 17:16
Aug 26
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
ORDBUF
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 9 min early
ORD → ROC
- 109 min late
ORD → ROC
- 36 min early
ORD → ROC
- 72 min late
ORD → ROC
- 34 min early
ORD → ROC
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 2
- Observed occurrences
- 26
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 17, 2026Cancelled | Chicago | Rochester | 124 | |
| Sep 16, 2026Arrived | Chicago | Rochester | -9 | |
| Sep 15, 2026Arrived | Chicago | Rochester | 109 | |
| Sep 14, 2026Cancelled | Chicago | Rochester | Not available | Not available |
| Sep 12, 2026Arrived | Chicago | Rochester | -36 | |
| Sep 11, 2026Arrived | Chicago | Rochester | 72 | |
| Sep 10, 2026Arrived | Chicago | Rochester | -34 | |
| Sep 9, 2026Arrived | Chicago | Rochester | -21 | |
| Sep 7, 2026Arrived | Chicago | Buffalo | 3 | |
| Sep 6, 2026Arrived | Chicago | Buffalo | -34 | |
| Sep 5, 2026Arrived | Chicago | Buffalo | -2 | |
| Sep 4, 2026Arrived | Chicago | Buffalo | 32 | |
| Sep 1, 2026Arrived | Chicago | Buffalo | -39 | |
| Aug 27, 2026Arrived | Chicago | Buffalo | -35 | |
| Aug 26, 2026Arrived | Chicago | Buffalo | -31 |