Is UA1639 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
28 min late
Updated
Departure
Denver
DEN
Actual
Scheduled 13:27
Aug 31
Arrival
St Louis
STL
Actual
Scheduled 21:34
Aug 31
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
DENSTL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
DEN → STL
- 14 min early
DEN → STL
- 2 min early
DEN → STL
- 12 min early
DEN → STL
- 3 min early
DEN → STL
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 27
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 30
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 | Denver | St Louis | -8 | |
| Sep 16, 2026Arrived | Denver | St Louis | -14 | |
| Sep 15, 2026Arrived | Denver | St Louis | -2 | |
| Sep 14, 2026Arrived | Denver | St Louis | -12 | |
| Sep 13, 2026Arrived | Denver | St Louis | -3 | |
| Sep 12, 2026Arrived | Denver | St Louis | -12 | |
| Sep 11, 2026Arrived | Denver | St Louis | -12 | |
| Sep 10, 2026Arrived | Denver | St Louis | -9 | |
| Sep 9, 2026Arrived | Denver | St Louis | -11 | |
| Sep 8, 2026Arrived | Denver | St Louis | -10 | |
| Sep 7, 2026Arrived | Denver | St Louis | -23 | |
| Sep 6, 2026Arrived | Denver | St Louis | -12 | |
| Sep 5, 2026Arrived | Denver | St Louis | -19 | |
| Sep 4, 2026Arrived | Denver | St Louis | -21 | |
| Sep 3, 2026Arrived | Denver | St Louis | -14 | |
| Sep 1, 2026Arrived | Denver | St Louis | -14 | |
| Aug 31, 2026Arrived | Denver | St Louis | 28 | |
| Aug 30, 2026Arrived | Denver | St Louis | 109 | |
| Aug 29, 2026Arrived | Denver | St Louis | -22 | |
| Aug 28, 2026Arrived | Denver | St Louis | -14 | |
| Aug 27, 2026Arrived | Denver | St Louis | 0 | |
| Aug 26, 2026Arrived | Denver | St Louis | -16 | |
| Aug 25, 2026Arrived | Denver | St Louis | 6 | |
| Aug 24, 2026Arrived | Denver | St Louis | -27 | |
| Aug 23, 2026Arrived | Denver | St Louis | 276 | |
| Aug 22, 2026Arrived | Denver | St Louis | -15 | |
| Aug 21, 2026Arrived | Denver | St Louis | -14 |