Is UA4643 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Last reported
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Los Angeles
LAX
Scheduled
Aug 20
Arrival
—
—
Scheduled
Not available
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
LAX—
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 16 min late
BIL → DEN
- 14 min early
BIL → DEN
- 28 min early
BIL → DEN
- 1 min late
BIL → DEN
- 5 min early
BIL → DEN
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 12
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 5
- Observed occurrences
- 18
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, 2026Arrived | Billings | Denver | 16 | |
| Sep 16, 2026Arrived | Billings | Denver | -14 | |
| Sep 15, 2026Arrived | Billings | Denver | -28 | |
| Sep 14, 2026Arrived | Billings | Denver | 1 | |
| Sep 12, 2026Arrived | Billings | Denver | -5 | |
| Sep 11, 2026Arrived | Billings | Denver | -19 | |
| Sep 10, 2026Arrived | Billings | Denver | -17 | |
| Sep 9, 2026Arrived | Billings | Denver | -12 | |
| Sep 8, 2026Arrived | Billings | Denver | 3 | |
| Sep 7, 2026Arrived | Billings | Denver | 36 | |
| Sep 6, 2026Arrived | Billings | Denver | -19 | |
| Sep 5, 2026Arrived | Billings | Denver | 9 | |
| Aug 26, 2026Cancelled | Los Angeles | Not available | Not available | |
| Aug 25, 2026Cancelled | Los Angeles | Not available | Not available | |
| Aug 24, 2026Cancelled | Los Angeles | Not available | Not available | |
| Aug 21, 2026Cancelled | Los Angeles | Not available | Not available | |
| Aug 20, 2026Cancelled | Los Angeles | Not available | Not available |