UAL251 is operated by UNITED AIRLINES INC between Albuquerque International Sunport (KABQ) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 53m. SkyMeter has observed 105 legs of this flight number via ADS-B.

✈
FLIGHTS
105
last 90 days
⏱
AVG DURATION
1h 53m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
7 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KABQ → KIAH
70
avg 1h 54m · Albuquerque International Sunport → George Bush Intercontinental Houston
KIAH → KTPA
26
avg 1h 50m · George Bush Intercontinental Houston → Tampa
KIAD → KMSY
5
avg 2h 33m · Washington Dulles → Louis Armstrong New Orleans

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
87
A319 AIRBUS Airbus A319
15
B739 BOEING Boeing 737-900
10
B38M BOEING Boeing 737 MAX 8
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 UAL251

30
N883UAAIRBUS Airbus A319
→
08/21/2026
1h 33m
No alerts
Replay Analysis
N852UAAIRBUS Airbus A319
→
08/18/2026
1h 54m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
08/17/2026
2h 26m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
08/16/2026
1h 24m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
08/15/2026
1h 0m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
08/15/2026
2h 25m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
08/15/2026
1h 17m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
08/14/2026
1h 59m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
08/14/2026
3h 17m
No alerts
Replay Analysis
N840UAAIRBUS Airbus A319
→
08/14/2026
1h 19m
No alerts
Replay Analysis
N840UAAIRBUS Airbus A319
→
08/13/2026
58m
No alerts
Replay Analysis
N840UAAIRBUS Airbus A319
→
08/13/2026
2h 17m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
08/12/2026
1h 55m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
08/11/2026
25m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
08/11/2026
2h 21m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
08/10/2026
2h 2m
No alerts
Replay Analysis
N87531BOEING Boeing 737-800
→
08/08/2026
2h 2m
No alerts
Replay Analysis
N76515BOEING Boeing 737-800
→
08/07/2026
2h 5m
No alerts
Replay Analysis
N76528BOEING Boeing 737-800
→
08/06/2026
2h 4m
No alerts
Replay Analysis
N12221BOEING Boeing 737-800
→
08/05/2026
1h 58m
No alerts
Replay Analysis
N37255BOEING Boeing 737-800
→
08/04/2026
1h 47m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
08/03/2026
1h 55m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
08/02/2026
1h 57m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
08/01/2026
1h 5m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
07/31/2026
1h 50m
No alerts
Replay Analysis
N37298BOEING Boeing 737-800
→
07/30/2026
1h 53m
No alerts
Replay Analysis
N37277BOEING Boeing 737-800
→
07/29/2026
1h 52m
No alerts
Replay Analysis
N76505BOEING Boeing 737-800
→
07/28/2026
2h 0m
No alerts
Replay Analysis
N18243BOEING Boeing 737-800
→
07/27/2026
1h 53m
No alerts
Replay Analysis
N35271BOEING Boeing 737-800
→
07/26/2026
1h 58m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window