Is UA5397 delayed?
Service date: · Scheduled departure date (America/Chicago)
Arrived
37 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 7
Arrival
Missoula
MSO
Actual
Scheduled 17:38
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
ORDMSO
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 48 min late
BUF → ORD
- 47 min late
BUF → ORD
- 105 min late
BUF → ORD
- 47 min late
BUF → ORD
- 49 min early
BUF → ORD
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 22
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 | Buffalo | Chicago | 48 | |
| Sep 15, 2026Arrived | Buffalo | Chicago | 47 | |
| Sep 13, 2026Arrived | Buffalo | Chicago | 105 | |
| Sep 9, 2026Arrived | Buffalo | Chicago | 47 | |
| Sep 8, 2026Arrived | Buffalo | Chicago | -49 | |
| Sep 7, 2026Arrived | Chicago | Missoula | -37 | |
| Sep 6, 2026Arrived | Chicago | Missoula | -14 | |
| Sep 5, 2026Arrived | Chicago | Missoula | -5 |