UAL1540

UNITED AIRLINES INC · PHX → IAH

UAL1540 is operated by UNITED AIRLINES INC between Phoenix Sky Harbor International Airport (KPHX) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 7m. SkyMeter has observed 44 legs of this flight number via ADS-B.

✈
FLIGHTS
44
last 90 days
⏱
AVG DURATION
3h 7m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/02/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
6.8%
3 flagged

Routes flown

By count · last 90 days

4
KPHX → KIAH
12
avg 2h 19m · Phoenix Sky Harbor → George Bush Intercontinental Houston
KDEN → KAVL
10
avg 2h 53m · Denver → Asheville
KIAH → KBNA
9
avg 1h 30m · George Bush Intercontinental Houston → Nashville
62TS → KBNA
3
avg 1h 26m · Gateway Helistop → Nashville

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
15
A319 AIRBUS Airbus A319
11
B738 BOEING Boeing 737-800
11
B38M BOEING Boeing 737 MAX 8
5
B39M BOEING Boeing 737 MAX 9
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 UAL1540

30
N820UAAIRBUS Airbus A319
→
06/02/2026
2h 51m
△ Unstable
Replay Analysis
N853UAAIRBUS Airbus A319
→
06/01/2026
2h 57m
△ Unstable
Replay Analysis
N882UAAIRBUS Airbus A319
→
05/31/2026
2h 47m
△ Unstable
Replay Analysis
N825UAAIRBUS Airbus A319
→
05/29/2026
1h 5m
No alerts
Replay Analysis
N884UAAIRBUS Airbus A319
→
05/28/2026
2h 58m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
05/27/2026
2h 46m
No alerts
Replay Analysis
N829UAAIRBUS Airbus A319
→
05/26/2026
2h 48m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
05/25/2026
2h 48m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
05/24/2026
2h 58m
No alerts
Replay Analysis
N847UAAIRBUS Airbus A319
→
05/23/2026
3h 1m
No alerts
Replay Analysis
N821UAAIRBUS Airbus A319
→
05/21/2026
2h 52m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
05/20/2026
1h 23m
No alerts
Replay Analysis
N71411BOEING Boeing 737-900
→
05/20/2026
2h 19m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
05/18/2026
1h 31m
No alerts
Replay Analysis
N37409BOEING Boeing 737-900
→
05/18/2026
2h 13m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
05/17/2026
1h 37m
No alerts
Replay Analysis
N27477BOEING Boeing 737-900
→
05/17/2026
2h 17m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
05/16/2026
1h 29m
No alerts
Replay Analysis
N38403BOEING Boeing 737-900
→
05/16/2026
2h 14m
No alerts
Replay Analysis
N38467BOEING Boeing 737-900
→
05/15/2026
1h 33m
No alerts
Replay Analysis
N75410BOEING Boeing 737-900
→
05/15/2026
2h 4m
No alerts
Replay Analysis
N17285BOEING Boeing 737 MAX 8
→
05/14/2026
1h 32m
No alerts
Replay Analysis
N31412BOEING Boeing 737-900
→
05/14/2026
2h 19m
No alerts
Replay Analysis
N78506BOEING Boeing 737-800
→
05/13/2026
1h 30m
No alerts
Replay Analysis
N75410BOEING Boeing 737-900
→
05/13/2026
2h 24m
No alerts
Replay Analysis
N37277BOEING Boeing 737-800
→
05/11/2026
1h 25m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
05/11/2026
2h 18m
No alerts
Replay Analysis
N17244BOEING Boeing 737-800
→
05/10/2026
1h 27m
No alerts
Replay Analysis
N38403BOEING Boeing 737-900
→
05/10/2026
2h 15m
No alerts
Replay Analysis
N78448BOEING Boeing 737-900
→
05/08/2026
1h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window