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 31m. SkyMeter has observed 166 legs of this flight number via ADS-B.

✈
FLIGHTS
166
last 90 days
⏱
AVG DURATION
2h 31m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
10 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KLAX → KIAH
73
avg 2h 54m · Los Angeles → George Bush Intercontinental Houston
KIAH → KPIT
48
avg 2h 23m · George Bush Intercontinental Houston → Pittsburgh
KIAH → KATL
26
avg 1h 40m · George Bush Intercontinental Houston → Hartsfield Jackson Atlanta
US-1412 → KIAH
5
avg 2h 51m · Skyview Center I Helipad → George Bush Intercontinental Houston
US-1410 → KIAH
4
avg 3h 6m · Sheraton Gateway Los Angeles Hotel Helipad → George Bush Intercontinental Houston
37X → KIAH
1
avg 9m · Skydive Houston → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

7
B739 BOEING Boeing 737-900
94
B39M BOEING Boeing 737 MAX 9
43
B737 BOEING Boeing 737-700
31
B38M BOEING Boeing 737 MAX 8
3
A319 AIRBUS Airbus A319
2
B738 BOEING Boeing 737-800
2
A320 AIRBUS Airbus A320
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
N38467BOEING Boeing 737-900
→
07/19/2026
2h 34m
No alerts
Replay Analysis
N37420BOEING Boeing 737-900
→
07/19/2026
2h 24m
No alerts
Replay Analysis
N69833BOEING Boeing 737-900
→
07/18/2026
3h 16m
No alerts
Replay Analysis
N25705BOEING Boeing 737-700
→
07/18/2026
2h 42m
No alerts
Replay Analysis
N53442BOEING Boeing 737-900
→
07/17/2026
3h 4m
No alerts
Replay Analysis
N27734BOEING Boeing 737-700
→
07/17/2026
2h 27m
No alerts
Replay Analysis
N69847BOEING Boeing 737-900
→
07/16/2026
2h 51m
No alerts
Replay Analysis
N72405BOEING Boeing 737-900
→
07/16/2026
2h 43m
No alerts
Replay Analysis
N68821BOEING Boeing 737-900
→
07/15/2026
2h 50m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
07/15/2026
2h 39m
No alerts
Replay Analysis
N68880BOEING Boeing 737-900
→
07/14/2026
2h 48m
No alerts
Replay Analysis
N37468BOEING Boeing 737-900
→
07/14/2026
1h 13m
No alerts
Replay Analysis
N37468BOEING Boeing 737-900
→
07/13/2026
3h 15m
No alerts
Replay Analysis
N37468BOEING Boeing 737-900
→
07/13/2026
2h 1m
No alerts
Replay Analysis
N12754BOEING Boeing 737-700
→
07/13/2026
2h 23m
No alerts
Replay Analysis
N39418BOEING Boeing 737-900
→
07/12/2026
3h 6m
No alerts
Replay Analysis
N27724BOEING Boeing 737-700
→
07/12/2026
2h 30m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
07/11/2026
3h 19m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
07/11/2026
2h 24m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
07/10/2026
3h 19m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
07/10/2026
2h 24m
No alerts
Replay Analysis
N39450BOEING Boeing 737-900
→
07/09/2026
3h 10m
No alerts
Replay Analysis
N37409BOEING Boeing 737-900
→
07/09/2026
2h 42m
No alerts
Replay Analysis
N69826BOEING Boeing 737-900
→
07/08/2026
3h 2m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
07/08/2026
45m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
07/07/2026
3h 3m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
07/07/2026
2h 17m
No alerts
Replay Analysis
N34460BOEING Boeing 737-900
→
07/07/2026
30m
No alerts
Replay Analysis
N34460BOEING Boeing 737-900
→
07/06/2026
3h 15m
No alerts
Replay Analysis
N34460BOEING Boeing 737-900
→
07/06/2026
2h 44m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window