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 2h 3m. SkyMeter has observed 149 legs of this flight number via ADS-B.

✈
FLIGHTS
149
last 90 days
⏱
AVG DURATION
2h 3m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
10 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.7%
1 flagged

Routes flown

By count · last 90 days

5
KIAH → KLAS
80
avg 2h 49m · George Bush Intercontinental Houston → McCarran
KTPA → KIAH
16
avg 2h 20m · Tampa → George Bush Intercontinental Houston
KLAS → KORD
6
avg 3h 14m · McCarran → Chicago O'Hare
KLAS → KLAX
5
avg 1h 1m · McCarran → Los Angeles
KIAH → KVGT
1
avg 2h 55m · George Bush Intercontinental Houston → North Las Vegas

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
96
B738 BOEING Boeing 737-800
31
B38M BOEING Boeing 737 MAX 8
25
B39M BOEING Boeing 737 MAX 9
7

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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
N79402BOEING Boeing 737-900
→
07/19/2026
1h 53m
No alerts
Replay Analysis
N64809BOEING Boeing 737-900
→
07/19/2026
1h 3m
No alerts
Replay Analysis
N71411BOEING Boeing 737-900
→
07/18/2026
2h 39m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
07/18/2026
1h 4m
No alerts
Replay Analysis
N38403BOEING Boeing 737-900
→
07/17/2026
7m
No alerts
Replay Analysis
N38403BOEING Boeing 737-900
→
07/17/2026
2h 38m
No alerts
Replay Analysis
N75410BOEING Boeing 737-900
→
07/16/2026
15m
No alerts
Replay Analysis
N75410BOEING Boeing 737-900
→
07/16/2026
2h 48m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
07/15/2026
7m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
07/15/2026
2h 54m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
07/14/2026
2h 35m
No alerts
Replay Analysis
N73406BOEING Boeing 737-900
→
07/13/2026
8m
No alerts
Replay Analysis
N73406BOEING Boeing 737-900
→
07/13/2026
2h 53m
No alerts
Replay Analysis
N31412BOEING Boeing 737-900
→
07/12/2026
8m
No alerts
Replay Analysis
N31412BOEING Boeing 737-900
→
07/12/2026
2h 40m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
07/12/2026
55m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
07/11/2026
3h 1m
△ Low approach-stability score
Replay Analysis
N72405BOEING Boeing 737-900
→
07/10/2026
2h 31m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
07/09/2026
8m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
07/09/2026
2h 37m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
07/08/2026
2h 40m
No alerts
Replay Analysis
N72405BOEING Boeing 737-900
→
07/07/2026
6m
No alerts
Replay Analysis
N72405BOEING Boeing 737-900
→
07/07/2026
2h 41m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
07/06/2026
12m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
07/06/2026
2h 50m
No alerts
Replay Analysis
N37507BOEING Boeing 737 MAX 9
→
07/06/2026
59m
No alerts
Replay Analysis
N37464BOEING Boeing 737-900
→
07/05/2026
6m
No alerts
Replay Analysis
N37464BOEING Boeing 737-900
→
07/05/2026
2h 36m
No alerts
Replay Analysis
N77587BOEING Boeing 737 MAX 9
→
07/04/2026
1h 2m
No alerts
Replay Analysis
N71411BOEING Boeing 737-900
→
07/03/2026
7m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window