Is UA2459 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled arrival date; departure time unavailable (UTC)
On time
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Denver
DEN
Scheduled
Not available
Arrival
Calgary
YYC
Estimated
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (UTC)
No live update yet
Check with your airline for the latest status.
Update time unavailable
Departure
St Louis
STL
Scheduled
Sep 16
Arrival
Denver
DEN
Scheduled
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min early
DEN → YYC
- 15 min early
STL → DEN
- 11 min early
DEN → YYC
- 2 min early
STL → DEN
- 6 min early
DEN → YYC
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 34
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 38
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 15, 2026Arrived | Denver | Calgary | -21 | |
| Sep 15, 2026Arrived | St Louis | Denver | -15 | |
| Sep 13, 2026Arrived | Denver | Calgary | -11 | |
| Sep 13, 2026Arrived | St Louis | Denver | -2 | |
| Sep 12, 2026Arrived | Denver | Calgary | -6 | |
| Sep 12, 2026Arrived | St Louis | Denver | -20 | |
| Sep 11, 2026Arrived | Denver | Calgary | -9 | |
| Sep 11, 2026Arrived | St Louis | Denver | -18 | |
| Sep 10, 2026Arrived | St Louis | Denver | -11 | |
| Sep 9, 2026Arrived | Denver | Calgary | -10 | |
| Sep 9, 2026Arrived | St Louis | Denver | -11 | |
| Sep 8, 2026Arrived | Denver | Calgary | 19 | |
| Sep 8, 2026Arrived | St Louis | Denver | -13 | |
| Sep 7, 2026Arrived | Denver | Calgary | -13 | |
| Sep 7, 2026Arrived | St Louis | Denver | 4 | |
| Sep 6, 2026Arrived | St Louis | Denver | -12 | |
| Sep 5, 2026Arrived | Denver | Calgary | -20 | |
| Sep 5, 2026Arrived | St Louis | Denver | -28 | |
| Sep 4, 2026Arrived | Denver | Calgary | 17 | |
| Sep 4, 2026Arrived | St Louis | Denver | -13 | |
| Sep 3, 2026Arrived | Denver | Calgary | -15 | |
| Sep 2, 2026Arrived | Denver | Calgary | -23 | |
| Sep 1, 2026Arrived | Denver | Calgary | -17 | |
| Aug 31, 2026Arrived | Denver | Calgary | -7 | |
| Aug 30, 2026Arrived | Denver | Calgary | -24 | |
| Aug 29, 2026Arrived | Denver | Calgary | 18 | |
| Aug 28, 2026Arrived | Denver | Calgary | -9 | |
| Aug 27, 2026Arrived | Denver | Calgary | -11 | |
| Aug 26, 2026Arrived | Denver | Calgary | -21 | |
| Aug 25, 2026Arrived | Denver | Calgary | -6 | |
| Aug 24, 2026Arrived | Denver | Calgary | -15 | |
| Aug 23, 2026Arrived | Denver | Calgary | -13 | |
| Aug 22, 2026Arrived | Denver | Calgary | -19 | |
| Aug 21, 2026Arrived | Denver | Calgary | -8 |