UAL1256

UNITED AIRLINES INC · TYS → DEN

UAL1256 is operated by UNITED AIRLINES INC between McGhee Tyson Airport (KTYS) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 3h 1m. SkyMeter has observed 36 legs of this flight number via ADS-B.

✈
FLIGHTS
36
last 90 days
⏱
AVG DURATION
3h 1m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 3
city pairs · airframes
⚠
INCIDENT RATE
2.8%
1 flagged

Routes flown

By count · last 90 days

3
KTYS → KDEN
21
avg 2h 55m · McGhee Tyson → Denver
KIAD → KDEN
10
avg 3h 54m · Washington Dulles → Denver
KSFO → KRNO
1
avg 54m · San Francisco → Reno Tahoe

Aircraft types

Equipment used on this number

3
A320 AIRBUS Airbus A320
15
A21N AIRBUS Airbus A321 Neo
13
A319 AIRBUS Airbus A319
8

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL1256

30
N445UAAIRBUS Airbus A320
→
06/03/2026
2h 47m
No alerts
Replay Analysis
N455UAAIRBUS Airbus A320
→
06/02/2026
2h 44m
△ Unstable
Replay Analysis
N447UAAIRBUS Airbus A320
→
06/01/2026
3h 12m
No alerts
Replay Analysis
N449UAAIRBUS Airbus A320
→
05/31/2026
2h 49m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
05/29/2026
2h 44m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/28/2026
2h 48m
No alerts
Replay Analysis
N448UAAIRBUS Airbus A320
→
05/26/2026
2h 38m
No alerts
Replay Analysis
N439UAAIRBUS Airbus A320
→
05/25/2026
2h 43m
No alerts
Replay Analysis
N494UAAIRBUS Airbus A320
→
05/24/2026
2h 50m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
05/23/2026
2h 47m
No alerts
Replay Analysis
N889UAAIRBUS Airbus A319
→
05/21/2026
2h 57m
No alerts
Replay Analysis
N879UAAIRBUS Airbus A319
→
05/18/2026
3h 10m
No alerts
Replay Analysis
N474UAAIRBUS Airbus A320
→
05/17/2026
2h 55m
No alerts
Replay Analysis
N471UAAIRBUS Airbus A320
→
05/15/2026
2h 50m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
05/14/2026
2h 58m
No alerts
Replay Analysis
N459UAAIRBUS Airbus A320
→
05/13/2026
3h 2m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
05/11/2026
3h 0m
No alerts
Replay Analysis
N801UAAIRBUS Airbus A319
→
05/10/2026
3h 16m
No alerts
Replay Analysis
N846UAAIRBUS Airbus A319
→
05/04/2026
2h 49m
No alerts
Replay Analysis
N879UAAIRBUS Airbus A319
→
05/03/2026
2h 56m
No alerts
Replay Analysis
N484UAAIRBUS Airbus A320
→
05/02/2026
2h 54m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
05/01/2026
3h 11m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
05/01/2026
53m
No alerts
Replay Analysis
N14503AIRBUS Airbus A321 Neo
→
04/28/2026
4h 21m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
04/27/2026
4h 8m
No alerts
Replay Analysis
N24514AIRBUS Airbus A321 Neo
→
04/26/2026
3h 41m
No alerts
Replay Analysis
N24513AIRBUS Airbus A321 Neo
→
04/25/2026
4h 7m
No alerts
Replay Analysis
N54543AIRBUS Airbus A321 Neo
→
04/24/2026
12m
No alerts
Replay Analysis
N54543AIRBUS Airbus A321 Neo
→
04/24/2026
3h 47m
No alerts
Replay Analysis
N14549AIRBUS Airbus A321 Neo
→
04/23/2026
3h 36m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window