UAL78 is operated by UNITED AIRLINES INC between Narita International Airport (RJAA) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 787-9 Dreamliner. Typical block time is 7h 27m. SkyMeter has observed 66 legs of this flight number via ADS-B.

✈
FLIGHTS
66
last 90 days
⏱
AVG DURATION
7h 27m
tracked time
📅
SERVICE PERIOD
04/05/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
3 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.5%
1 flagged

Routes flown

By count · last 90 days

1
RJAA → KEWR
33
avg 12h 3m · Narita → Newark Liberty

Aircraft types

Equipment used on this number

3
B789 BOEING Boeing 787-9 Dreamliner
66
B77W BOEING Boeing 777-300ER
22
B772 BOEING Boeing 777-200
3

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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 UAL78

30
N2748UBOEING Boeing 777-300ER
→
06/03/2026
11h 13m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
06/02/2026
1h 39m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
06/02/2026
8h 31m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
06/02/2026
12h 42m
No alerts
Replay Analysis
N2332UBOEING Boeing 777-300ER
→
06/01/2026
12h 29m
No alerts
Replay Analysis
N2352UBOEING Boeing 777-300ER
→
05/31/2026
1h 16m
No alerts
Replay Analysis
N2352UBOEING Boeing 777-300ER
→
05/31/2026
6h 17m
No alerts
Replay Analysis
N2737UBOEING Boeing 777-300ER
→
05/29/2026
3h 24m
No alerts
Replay Analysis
N2737UBOEING Boeing 777-300ER
→
05/29/2026
26m
No alerts
Replay Analysis
N782UABOEING Boeing 777-200
→
05/28/2026
1h 26m
No alerts
Replay Analysis
N782UABOEING Boeing 777-200
→
05/28/2026
8h 14m
No alerts
Replay Analysis
N782UABOEING Boeing 777-200
→
05/28/2026
12h 4m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
05/27/2026
1h 19m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
05/27/2026
11h 49m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
05/27/2026
8h 20m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
05/26/2026
1h 17m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
05/26/2026
12h 7m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
05/26/2026
8h 16m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/25/2026
2h 33m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/25/2026
1h 10m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/25/2026
6h 26m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/25/2026
32m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
05/24/2026
12h 21m
No alerts
Replay Analysis
N2352UBOEING Boeing 777-300ER
→
05/23/2026
12h 33m
No alerts
Replay Analysis
N2142UBOEING Boeing 777-300ER
→
05/22/2026
27m
No alerts
Replay Analysis
N29985BOEING Boeing 787-9 Dreamliner
→
05/21/2026
12h 5m
No alerts
Replay Analysis
N23983BOEING Boeing 787-9 Dreamliner
→
05/20/2026
11h 39m
No alerts
Replay Analysis
N24988BOEING Boeing 787-9 Dreamliner
→
05/18/2026
12h 30m
No alerts
Replay Analysis
N19986BOEING Boeing 787-9 Dreamliner
→
05/17/2026
4h 33m
No alerts
Replay Analysis
N19986BOEING Boeing 787-9 Dreamliner
→
05/17/2026
33m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window