Is UA4637 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
8 min late
Official source · Updated
Departure
Billings
BIL
Actual
Scheduled 22:31
Sep 16
Arrival
Denver
DEN
Actual
Scheduled 17:38
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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BILDEN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min late
BIL → DEN
- 26 min late
BIL → DEN
- 3 min late
BIL → DEN
- 18 min early
ACV → LAX
- 10 min late
BIL → DEN
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 11
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 | Billings | Denver | 8 | |
| Sep 15, 2026Arrived | Billings | Denver | 26 | |
| Sep 14, 2026Arrived | Billings | Denver | 3 | |
| Sep 12, 2026Arrived | Arcata/Eureka | Los Angeles | -18 | |
| Sep 11, 2026Arrived | Billings | Denver | 10 | |
| Sep 10, 2026Arrived | Billings | Denver | -7 | |
| Sep 9, 2026Arrived | Billings | Denver | -7 | |
| Sep 8, 2026Arrived | Billings | Denver | 15 | |
| Sep 7, 2026Arrived | Billings | Denver | 20 | |
| Sep 6, 2026Arrived | Omaha | Chicago | -20 | |
| Sep 4, 2026Arrived | Billings | Denver | 9 |