UAL1591

UNITED AIRLINES INC · LAX → IAH

UAL1591 is operated by UNITED AIRLINES INC between Los Angeles International Airport (KLAX) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 23m. SkyMeter has observed 47 legs of this flight number via ADS-B.

✈
FLIGHTS
47
last 90 days
⏱
AVG DURATION
2h 23m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
9 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KLAX → KIAH
15
avg 2h 52m · Los Angeles → George Bush Intercontinental Houston
KIAH → KATL
13
avg 1h 41m · George Bush Intercontinental Houston → Hartsfield Jackson Atlanta
KIAH → KPIT
8
avg 2h 22m · George Bush Intercontinental Houston → Pittsburgh
US-1412 → KIAH
3
avg 2h 51m · Skyview Center I Helipad → George Bush Intercontinental Houston
CN33 → KIAH
3
avg 2h 53m · Airport Imperial Bldg Helistop → George Bush Intercontinental Houston
62TS → KPIT
1
avg 2h 16m · Gateway Helistop → Pittsburgh

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
19
B39M BOEING Boeing 737 MAX 9
14
B737 BOEING Boeing 737-700
11
A320 AIRBUS Airbus A320
1
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 UAL1591

30
N37437BOEING Boeing 737-900
→
06/03/2026
2h 51m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
06/03/2026
2h 37m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
06/02/2026
2h 57m
No alerts
Replay Analysis
N69826BOEING Boeing 737-900
→
06/02/2026
2h 53m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
06/01/2026
2h 16m
No alerts
Replay Analysis
N68817BOEING Boeing 737-900
→
05/31/2026
3h 7m
No alerts
Replay Analysis
N16713BOEING Boeing 737-700
→
05/31/2026
2h 25m
No alerts
Replay Analysis
N69840BOEING Boeing 737-900
→
05/29/2026
2h 46m
No alerts
Replay Analysis
N23708BOEING Boeing 737-700
→
05/29/2026
2h 27m
No alerts
Replay Analysis
N66837BOEING Boeing 737-900
→
05/28/2026
2h 41m
No alerts
Replay Analysis
N37408BOEING Boeing 737-900
→
05/28/2026
2h 16m
No alerts
Replay Analysis
N66828BOEING Boeing 737-900
→
05/26/2026
3h 0m
No alerts
Replay Analysis
N16713BOEING Boeing 737-700
→
05/26/2026
2h 17m
No alerts
Replay Analysis
N69818BOEING Boeing 737-900
→
05/25/2026
2h 45m
No alerts
Replay Analysis
N13716BOEING Boeing 737-700
→
05/25/2026
2h 10m
No alerts
Replay Analysis
N57439BOEING Boeing 737-900
→
05/24/2026
3h 8m
No alerts
Replay Analysis
N27421BOEING Boeing 737-900
→
05/24/2026
2h 14m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
05/23/2026
3h 13m
No alerts
Replay Analysis
N27734BOEING Boeing 737-700
→
05/23/2026
2h 28m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
05/21/2026
3h 0m
No alerts
Replay Analysis
N37353BOEING Boeing 737 MAX 8
→
05/21/2026
1h 58m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
05/20/2026
2h 53m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
05/18/2026
2h 59m
No alerts
Replay Analysis
N438UAAIRBUS Airbus A320
→
05/18/2026
1h 38m
No alerts
Replay Analysis
N37513BOEING Boeing 737 MAX 9
→
05/17/2026
2h 44m
No alerts
Replay Analysis
N47453
→
05/17/2026
1h 47m
No alerts
Replay Analysis
N39475BOEING Boeing 737-900
→
05/16/2026
2h 42m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
05/16/2026
1h 34m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
05/15/2026
2h 49m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
05/15/2026
1h 48m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window