UAL1971

UNITED AIRLINES INC · IAH → LAS

UAL1971 is operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and McCarran International Airport (KLAS). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 54m. SkyMeter has observed 132 legs of this flight number via ADS-B.

✈
FLIGHTS
132
last 90 days
⏱
AVG DURATION
1h 54m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
9 / 2
city pairs · airframes
⚠
INCIDENT RATE
1.5%
2 flagged

Routes flown

By count · last 90 days

5
KIAH → KLAS
81
avg 2h 42m · George Bush Intercontinental Houston → McCarran
KLAS → KLAX
12
avg 1h 1m · McCarran → Los Angeles
KIAH → KLAX
1
avg 3h 28m · George Bush Intercontinental Houston → Los Angeles
KIAH → KVGT
1
avg 2h 55m · George Bush Intercontinental Houston → North Las Vegas
KLAX → KLAS
1
avg 1h 16m · Los Angeles → McCarran

Aircraft types

Equipment used on this number

2
B739 BOEING Boeing 737-900
124
B39M BOEING Boeing 737 MAX 9
13

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL1971

30
N31412BOEING Boeing 737-900
→
08/20/2026
2h 38m
No alerts
Replay Analysis
N17407BOEING Boeing 737 MAX 9
→
08/19/2026
2h 37m
No alerts
Replay Analysis
N37549BOEING Boeing 737 MAX 9
→
08/18/2026
2h 33m
No alerts
Replay Analysis
N75410BOEING Boeing 737-900
→
08/17/2026
2h 35m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
08/16/2026
5m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
08/16/2026
2h 36m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
08/15/2026
2h 37m
No alerts
Replay Analysis
N69804BOEING Boeing 737-900
→
08/14/2026
6m
No alerts
Replay Analysis
N69804BOEING Boeing 737-900
→
08/14/2026
2h 46m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
08/13/2026
2h 56m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
08/12/2026
48m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
08/11/2026
17m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
08/11/2026
2h 38m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
08/10/2026
2h 36m
No alerts
Replay Analysis
N71411BOEING Boeing 737-900
→
08/10/2026
1h 15m
No alerts
Replay Analysis
N71411BOEING Boeing 737-900
→
08/09/2026
3h 27m
↘ Diverted (inferred)
Replay Analysis
N39461BOEING Boeing 737-900
→
08/09/2026
57m
No alerts
Replay Analysis
N31412BOEING Boeing 737-900
→
08/08/2026
2h 43m
No alerts
Replay Analysis
N77578BOEING Boeing 737 MAX 9
→
08/08/2026
1h 3m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
08/07/2026
2h 40m
No alerts
Replay Analysis
N37409BOEING Boeing 737-900
→
08/06/2026
16m
No alerts
Replay Analysis
N37409BOEING Boeing 737-900
→
08/06/2026
2h 53m
↻ Go-around
Replay Analysis
N31412BOEING Boeing 737-900
→
08/05/2026
2h 41m
No alerts
Replay Analysis
N67812BOEING Boeing 737-900
→
08/04/2026
2h 34m
No alerts
Replay Analysis
N31412BOEING Boeing 737-900
→
08/03/2026
6m
No alerts
Replay Analysis
N31412BOEING Boeing 737-900
→
08/03/2026
2h 38m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
08/02/2026
5m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
08/02/2026
2h 35m
No alerts
Replay Analysis
N62849BOEING Boeing 737-900
→
08/02/2026
51m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
08/01/2026
1h 1m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window