UAL537 is operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and Calgary International Airport (CYYC). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 37m. SkyMeter has observed 169 legs of this flight number via ADS-B.

✈
FLIGHTS
169
last 90 days
⏱
AVG DURATION
2h 37m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/4/2026
first → last seen
🗺
ROUTES / TYPES
10 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.6%
1 flagged

Routes flown

By count · last 90 days

6
KIAH → CYYC
76
avg 3h 48m · George Bush Intercontinental Houston → Calgary
KMEM → KIAH
59
avg 1h 16m · Memphis → George Bush Intercontinental Houston
KDTW → KIAH
20
avg 2h 35m · Detroit Metropolitan Wayne County → George Bush Intercontinental Houston
42TS → CYYC
2
avg 3h 41m · Papa Heliport → Calgary
MMMX → CYYC
1
avg 6h 54m · Licenciado Benito Juarez → Calgary
KCVG → CYYC
1
avg 8h 8m · Cincinnati Northern Kentucky → Calgary

Aircraft types

Equipment used on this number

6
B39M BOEING Boeing 737 MAX 9
60
A319 AIRBUS Airbus A319
51
B38M BOEING Boeing 737 MAX 8
40
A320 AIRBUS Airbus A320
11
B739 BOEING Boeing 737-900
4
B738 BOEING Boeing 737-800
3

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL537

30
N17310BOEING Boeing 737 MAX 8
→
9/4/2026
2h 41m
No alerts
Replay Analysis
N38458BOEING Boeing 737-900
→
9/2/2026
3h 39m
No alerts
Replay Analysis
N17364BOEING Boeing 737 MAX 8
→
9/2/2026
2h 51m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
9/1/2026
3h 44m
No alerts
Replay Analysis
N17364BOEING Boeing 737 MAX 8
→
9/1/2026
2h 31m
No alerts
Replay Analysis
N67350BOEING Boeing 737 MAX 8
→
8/31/2026
3h 46m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
8/31/2026
2h 43m
No alerts
Replay Analysis
N47340BOEING Boeing 737 MAX 8
→
8/30/2026
3h 40m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
8/30/2026
2h 32m
No alerts
Replay Analysis
N17310BOEING Boeing 737 MAX 8
→
8/29/2026
4h 4m
No alerts
Replay Analysis
N27277BOEING Boeing 737 MAX 8
→
8/29/2026
2h 25m
No alerts
Replay Analysis
N17338BOEING Boeing 737 MAX 8
→
8/28/2026
3h 52m
No alerts
Replay Analysis
N17344BOEING Boeing 737 MAX 8
→
8/28/2026
2h 30m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
8/27/2026
3h 50m
No alerts
Replay Analysis
N17331BOEING Boeing 737 MAX 8
→
8/26/2026
6m
No alerts
Replay Analysis
N17331BOEING Boeing 737 MAX 8
→
8/26/2026
3h 50m
No alerts
Replay Analysis
N17331BOEING Boeing 737 MAX 8
→
8/26/2026
2h 30m
No alerts
Replay Analysis
N47298BOEING Boeing 737 MAX 8
→
8/25/2026
18m
No alerts
Replay Analysis
N47298BOEING Boeing 737 MAX 8
→
8/25/2026
3h 45m
No alerts
Replay Analysis
N47298BOEING Boeing 737 MAX 8
→
8/25/2026
2h 30m
No alerts
Replay Analysis
N47288BOEING Boeing 737 MAX 8
→
8/24/2026
3h 44m
No alerts
Replay Analysis
N37295BOEING Boeing 737 MAX 8
→
8/24/2026
2h 25m
No alerts
Replay Analysis
N17358BOEING Boeing 737 MAX 8
→
8/23/2026
3h 43m
No alerts
Replay Analysis
N14242BOEING Boeing 737-800
→
8/23/2026
2h 30m
No alerts
Replay Analysis
N17346BOEING Boeing 737 MAX 8
→
8/22/2026
6m
No alerts
Replay Analysis
N17346BOEING Boeing 737 MAX 8
→
8/22/2026
3h 45m
No alerts
Replay Analysis
N17362BOEING Boeing 737 MAX 8
→
8/22/2026
2h 36m
No alerts
Replay Analysis
N47357BOEING Boeing 737 MAX 8
→
8/21/2026
3h 54m
No alerts
Replay Analysis
N47332BOEING Boeing 737 MAX 8
→
8/21/2026
2h 33m
No alerts
Replay Analysis
N17339BOEING Boeing 737 MAX 8
→
8/20/2026
3h 53m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window