Is UA5397 delayed?
No — UA5397 landed in Denver 17 min early, at 06:34 on Sep 27 (as of Sep 27, 12:35 UTC). Over its last 15 recorded arrivals, 5 landed more than 15 min late.
17 min early
Official source · Updated
Departure
San Antonio
SAT
Actual
Scheduled 10:46
Sep 27
Arrival
Denver
DEN
Actual
Scheduled 06:51
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (UTC)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min early
San Antonio → Denver
- On schedule (2 min behind)
San Antonio → Denver
- On schedule (3 min behind)
San Antonio → Denver
- 3 min early
San Antonio → Denver
- 35 min early
Buffalo → Chicago
Flight history and details
Aug 29, 2026 — Sep 28, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 21
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 27, 2026Arrived | San Antonio | Denver | -17 | |
| Sep 26, 2026Arrived | San Antonio | Denver | 2 | |
| Sep 25, 2026Arrived | San Antonio | Denver | 3 | |
| Sep 24, 2026Arrived | San Antonio | Denver | -3 | |
| Sep 23, 2026Arrived | Buffalo | Chicago | -35 | |
| Sep 22, 2026Arrived | Buffalo | Chicago | -33 | |
| Sep 17, 2026Arrived | Buffalo | Chicago | 211 | |
| 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 |