UAL1537

UNITED AIRLINES INC · PHL → DEN

UAL1537 is operated by UNITED AIRLINES INC between Philadelphia International Airport (KPHL) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 2h 8m. SkyMeter has observed 133 legs of this flight number via ADS-B.

✈
FLIGHTS
133
last 90 days
⏱
AVG DURATION
2h 8m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
6 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.5%
2 flagged

Routes flown

By count · last 90 days

3
KPHL → KDEN
49
avg 3h 37m · Philadelphia → Denver
KDEN → KJAC
11
avg 1h 29m · Denver → Jackson Hole
KORD → KRSW
6
avg 2h 33m · Chicago O'Hare → Southwest Florida

Aircraft types

Equipment used on this number

6
A320 AIRBUS Airbus A320
61
B738 BOEING Boeing 737-800
48
B39M BOEING Boeing 737 MAX 9
16
A319 AIRBUS Airbus A319
15
B38M BOEING Boeing 737 MAX 8
1
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 UAL1537

30
N1902UAIRBUS Airbus A320
→
07/19/2026
1h 26m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
07/19/2026
3h 27m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
07/18/2026
3h 31m
No alerts
Replay Analysis
N448UAAIRBUS Airbus A320
→
07/17/2026
1h 31m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
07/17/2026
3h 29m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
07/16/2026
1h 22m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
07/16/2026
3h 27m
No alerts
Replay Analysis
N840UAAIRBUS Airbus A319
→
07/15/2026
1h 11m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
07/15/2026
3h 33m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
07/14/2026
1h 57m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
07/13/2026
1h 49m
No alerts
Replay Analysis
N33266BOEING Boeing 737-800
→
07/13/2026
3h 13m
No alerts
Replay Analysis
N472UAAIRBUS Airbus A320
→
07/12/2026
59m
No alerts
Replay Analysis
N27246BOEING Boeing 737-800
→
07/12/2026
3h 33m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
07/11/2026
1h 1m
No alerts
Replay Analysis
N14242BOEING Boeing 737-800
→
07/11/2026
3h 33m
No alerts
Replay Analysis
N451UAAIRBUS Airbus A320
→
07/10/2026
1h 9m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
07/10/2026
3h 31m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
07/09/2026
1h 15m
No alerts
Replay Analysis
N76505BOEING Boeing 737-800
→
07/09/2026
3h 37m
No alerts
Replay Analysis
N474UAAIRBUS Airbus A320
→
07/08/2026
1h 3m
No alerts
Replay Analysis
N76516BOEING Boeing 737-800
→
07/08/2026
3h 25m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
07/07/2026
1h 17m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
07/07/2026
10m
No alerts
Replay Analysis
N12221BOEING Boeing 737-800
→
07/07/2026
3h 27m
No alerts
Replay Analysis
N443UAAIRBUS Airbus A320
→
07/06/2026
1h 10m
No alerts
Replay Analysis
N14242BOEING Boeing 737-800
→
07/06/2026
3h 22m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
07/05/2026
1h 2m
No alerts
Replay Analysis
N76517BOEING Boeing 737-800
→
07/05/2026
3h 24m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
07/04/2026
1h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window