Is UA1256 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Denver)
13 min late
Official source · Updated
Departure
Denver
DEN
Actual
Sep 20
Arrival
San Jose
SJC
Actual
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
Service date: · Scheduled departure date (UTC)
28 min early
Official source · Updated
Departure
Knoxville
TYS
Actual
Sep 20
Arrival
Denver
DEN
Actual
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
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.
- 13 min late
DEN → SJC
- 28 min early
TYS → DEN
- 11 min early
DEN → SJC
- 27 min early
TYS → DEN
- 8 min early
DEN → SJC
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 34
- Arrivals over 15 minutes late
- 5
- 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 20, 2026Arrived | Denver | San Jose | 13 | |
| Sep 20, 2026Arrived | Knoxville | Denver | -28 | |
| Sep 19, 2026Arrived | Denver | San Jose | -11 | |
| Sep 19, 2026Arrived | Knoxville | Denver | -27 | |
| Sep 18, 2026Arrived | Denver | San Jose | -8 | |
| Sep 18, 2026Arrived | Knoxville | Denver | -31 | |
| Sep 17, 2026Arrived | Denver | San Jose | -14 | |
| Sep 17, 2026Arrived | Knoxville | Denver | -24 | |
| Sep 16, 2026Arrived | Denver | San Jose | 4 | |
| Sep 15, 2026Arrived | Denver | San Jose | 4 | |
| Sep 15, 2026Arrived | Knoxville | Denver | -7 | |
| Sep 14, 2026Arrived | Knoxville | Denver | 56 | |
| Sep 12, 2026Arrived | Denver | San Jose | -15 | |
| Sep 12, 2026Arrived | Knoxville | Denver | -20 | |
| Sep 11, 2026Arrived | Knoxville | Denver | -28 | |
| Sep 10, 2026Arrived | Knoxville | Denver | 15 | |
| Sep 9, 2026Arrived | Denver | San Jose | -7 | |
| Sep 9, 2026Arrived | Knoxville | Denver | -30 | |
| Sep 8, 2026Arrived | Denver | San Jose | 16 | |
| Sep 7, 2026Arrived | Denver | San Jose | -11 | |
| Sep 7, 2026Arrived | Knoxville | Denver | -15 | |
| Sep 6, 2026Arrived | Denver | San Jose | 22 | |
| Sep 6, 2026Arrived | Knoxville | Denver | -26 | |
| Sep 5, 2026Arrived | Denver | San Jose | -8 | |
| Sep 5, 2026Arrived | Knoxville | Denver | -29 | |
| Sep 4, 2026Arrived | Denver | San Jose | -10 | |
| Sep 4, 2026Arrived | Knoxville | Denver | 30 | |
| Aug 28, 2026Arrived | Denver | San Jose | -10 | |
| Aug 27, 2026Arrived | Denver | San Jose | 1 | |
| Aug 26, 2026Arrived | Denver | San Jose | 1 | |
| Aug 25, 2026Arrived | Denver | San Jose | -9 | |
| Aug 24, 2026Arrived | Denver | San Jose | -5 | |
| Aug 23, 2026Arrived | Denver | San Jose | -16 | |
| Aug 22, 2026Arrived | Denver | San Jose | -5 |