UAL142 is operated by UMB BANK NA TRUSTEE between Narita International Airport (RJAA) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 787-9 Dreamliner. Typical block time is 8h 16m. SkyMeter has observed 109 legs of this flight number via ADS-B.

✈
FLIGHTS
109
last 90 days
⏱
AVG DURATION
8h 16m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.8%
2 flagged

Routes flown

By count · last 90 days

1
RJAA → KDEN
83
avg 10h 16m · Narita → Denver

Aircraft types

Equipment used on this number

3
B789 BOEING Boeing 787-9 Dreamliner
88
B38M BOEING Boeing 737 MAX 8
18
B738 BOEING Boeing 737-800
3

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL142

30
N27957BOEING Boeing 787-9 Dreamliner
→
08/22/2026
10h 30m
No alerts
Replay Analysis
N19986BOEING Boeing 787-9 Dreamliner
→
08/20/2026
10h 40m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
08/18/2026
10h 35m
No alerts
Replay Analysis
N26966BOEING Boeing 787-9 Dreamliner
→
08/17/2026
10h 37m
No alerts
Replay Analysis
N29961BOEING Boeing 787-9 Dreamliner
→
08/16/2026
10h 42m
No alerts
Replay Analysis
N17306BOEING Boeing 737 MAX 8
→
08/16/2026
51m
No alerts
Replay Analysis
N27957BOEING Boeing 787-9 Dreamliner
→
08/15/2026
10h 33m
No alerts
Replay Analysis
N17963BOEING Boeing 787-9 Dreamliner
→
08/14/2026
10h 33m
No alerts
Replay Analysis
N22992BOEING Boeing 787-9 Dreamliner
→
08/13/2026
10h 23m
No alerts
Replay Analysis
N27965BOEING Boeing 787-9 Dreamliner
→
08/12/2026
10h 31m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
08/11/2026
2h 40m
No alerts
Replay Analysis
N28987BOEING Boeing 787-9 Dreamliner
→
08/11/2026
39m
No alerts
Replay Analysis
N29968BOEING Boeing 787-9 Dreamliner
→
08/10/2026
10h 24m
No alerts
Replay Analysis
N37319BOEING Boeing 737 MAX 8
→
08/09/2026
44m
No alerts
Replay Analysis
N24974BOEING Boeing 787-9 Dreamliner
→
08/08/2026
10h 29m
No alerts
Replay Analysis
N24980BOEING Boeing 787-9 Dreamliner
→
08/07/2026
10h 27m
No alerts
Replay Analysis
N22992BOEING Boeing 787-9 Dreamliner
→
08/06/2026
10h 31m
No alerts
Replay Analysis
N17309BOEING Boeing 737 MAX 8
→
08/06/2026
53m
No alerts
Replay Analysis
N27957BOEING Boeing 787-9 Dreamliner
→
08/05/2026
10h 30m
No alerts
Replay Analysis
N26960BOEING Boeing 787-9 Dreamliner
→
08/04/2026
10h 17m
△ Low approach-stability score
Replay Analysis
N26960BOEING Boeing 787-9 Dreamliner
→
08/03/2026
10h 22m
No alerts
Replay Analysis
N24979BOEING Boeing 787-9 Dreamliner
→
08/02/2026
10h 2m
No alerts
Replay Analysis
N27304BOEING Boeing 737 MAX 8
→
08/02/2026
37m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
08/01/2026
15h 43m
No alerts
Replay Analysis
N38950BOEING Boeing 787-9 Dreamliner
→
07/31/2026
10h 13m
No alerts
Replay Analysis
N24974BOEING Boeing 787-9 Dreamliner
→
07/30/2026
10h 11m
No alerts
Replay Analysis
N37293BOEING Boeing 737-800
→
07/30/2026
53m
No alerts
Replay Analysis
N24979BOEING Boeing 787-9 Dreamliner
→
07/29/2026
10h 29m
No alerts
Replay Analysis
N38955BOEING Boeing 787-9 Dreamliner
→
07/28/2026
10h 8m
No alerts
Replay Analysis
N45956BOEING Boeing 787-9 Dreamliner
→
07/27/2026
10h 16m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window