UAL1255

UNITED AIRLINES INC · GEG → DEN

UAL1255 is operated by UNITED AIRLINES INC between Spokane International Airport (KGEG) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 59m. SkyMeter has observed 93 legs of this flight number via ADS-B.

✈
FLIGHTS
93
last 90 days
⏱
AVG DURATION
1h 59m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KGEG → KDEN
78
avg 2h 11m · Spokane → Denver
2CO9 → KDEN
1
avg 48m · Lands End Heliport → Denver
KSLC → KDEN
1
avg 1h 12m · Salt Lake City → Denver
KGEG → KGJT
1
avg 2h 49m · Spokane → Grand Junction

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
93
B39M BOEING Boeing 737 MAX 9
4
A319 AIRBUS Airbus A319
1
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 UAL1255

30
N77525BOEING Boeing 737-800
→
07/19/2026
2h 16m
No alerts
Replay Analysis
N37277BOEING Boeing 737-800
→
07/18/2026
1h 58m
No alerts
Replay Analysis
N14237BOEING Boeing 737-800
→
07/17/2026
2h 4m
No alerts
Replay Analysis
N75433BOEING Boeing 737-900
→
07/16/2026
2h 21m
No alerts
Replay Analysis
N24224BOEING Boeing 737-800
→
07/15/2026
2h 9m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
07/14/2026
2h 5m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
07/13/2026
2h 3m
No alerts
Replay Analysis
N33266BOEING Boeing 737-800
→
07/12/2026
2h 5m
No alerts
Replay Analysis
N79279BOEING Boeing 737-800
→
07/11/2026
2h 8m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
07/10/2026
2h 17m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
07/10/2026
1h 32m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
07/09/2026
39m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
07/09/2026
4h 58m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
07/09/2026
22m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
07/09/2026
1h 11m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
07/09/2026
41m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
07/09/2026
53m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
07/08/2026
2h 12m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
07/07/2026
2h 57m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
07/06/2026
2h 9m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
07/05/2026
2h 11m
No alerts
Replay Analysis
N840UAAIRBUS Airbus A319
→
07/04/2026
2h 0m
No alerts
Replay Analysis
N79279BOEING Boeing 737-800
→
07/04/2026
2h 29m
No alerts
Replay Analysis
N77530BOEING Boeing 737-800
→
07/02/2026
2h 8m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
07/01/2026
2h 19m
No alerts
Replay Analysis
N12221BOEING Boeing 737-800
→
06/30/2026
2h 34m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
06/29/2026
2h 4m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
06/28/2026
2h 8m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
06/27/2026
2h 0m
No alerts
Replay Analysis
N14235BOEING Boeing 737-800
→
06/26/2026
2h 12m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window