UAL1139 is operated by WILMINGTON TRUST CO TRUSTEE between Newark Liberty International Airport (KEWR) and McCarran International Airport (KLAS). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 3h 46m. SkyMeter has observed 76 legs of this flight number via ADS-B.

✈
FLIGHTS
76
last 90 days
⏱
AVG DURATION
3h 46m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/27/2026
first → last seen
🗺
ROUTES / TYPES
5 / 6
city pairs · airframes
⚠
INCIDENT RATE
2.6%
2 flagged

Routes flown

By count · last 90 days

3
KEWR → KLAS
44
avg 5h 6m · Newark Liberty → McCarran
KBOI → KDEN
12
avg 1h 51m · Boise Air Terminal/Gowen Field → Denver
KDSM → KIAH
1
avg 2h 4m · Des Moines → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

6
B38M BOEING Boeing 737 MAX 8
59
A319 AIRBUS Airbus A319
8
A320 AIRBUS Airbus A320
3
B39M BOEING Boeing 737 MAX 9
3
B738 BOEING Boeing 737-800
2
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 UAL1139

30
N872UAAIRBUS Airbus A319
→
08/27/2026
1h 56m
No alerts
Replay Analysis
N835UAAIRBUS Airbus A319
→
08/26/2026
1h 46m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
08/25/2026
1h 47m
No alerts
Replay Analysis
N889UAAIRBUS Airbus A319
→
08/23/2026
1h 54m
No alerts
Replay Analysis
N24211BOEING Boeing 737-800
→
08/22/2026
1h 52m
No alerts
Replay Analysis
N824UAAIRBUS Airbus A319
→
08/20/2026
2h 2m
No alerts
Replay Analysis
N845UAAIRBUS Airbus A319
→
08/18/2026
1h 45m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
08/17/2026
1h 47m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
08/16/2026
1h 58m
No alerts
Replay Analysis
N86534BOEING Boeing 737-800
→
08/15/2026
1h 39m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
08/14/2026
1h 43m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
08/14/2026
1h 56m
No alerts
Replay Analysis
N873UAAIRBUS Airbus A319
→
08/11/2026
2h 3m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
08/10/2026
5h 4m
No alerts
Replay Analysis
N47370BOEING Boeing 737 MAX 8
→
08/07/2026
7m
No alerts
Replay Analysis
N47370BOEING Boeing 737 MAX 8
→
08/07/2026
4h 54m
No alerts
Replay Analysis
N17336BOEING Boeing 737 MAX 8
→
08/06/2026
5h 8m
No alerts
Replay Analysis
N17310BOEING Boeing 737 MAX 8
→
08/03/2026
5h 6m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
08/02/2026
4h 50m
No alerts
Replay Analysis
N17321BOEING Boeing 737 MAX 8
→
07/31/2026
5m
No alerts
Replay Analysis
N17321BOEING Boeing 737 MAX 8
→
07/31/2026
4h 57m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
07/30/2026
5h 0m
No alerts
Replay Analysis
N67350BOEING Boeing 737 MAX 8
→
07/27/2026
4h 56m
No alerts
Replay Analysis
N27251BOEING Boeing 737 MAX 8
→
07/26/2026
4h 52m
No alerts
Replay Analysis
N57299BOEING Boeing 737 MAX 8
→
07/24/2026
5h 13m
No alerts
Replay Analysis
N17317BOEING Boeing 737 MAX 8
→
07/23/2026
6m
No alerts
Replay Analysis
N17317BOEING Boeing 737 MAX 8
→
07/23/2026
5h 0m
No alerts
Replay Analysis
N17294BOEING Boeing 737 MAX 8
→
07/20/2026
4h 59m
No alerts
Replay Analysis
N37372BOEING Boeing 737 MAX 8
→
07/19/2026
4h 54m
No alerts
Replay Analysis
N17314BOEING Boeing 737 MAX 8
→
07/17/2026
5h 0m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window