Flight Status & Tracker

UAL838

UNITED AIRLINES INC · NRT → SFO · Last tracked Sep 26, 2026

UAL838 is a flight number operated by UNITED AIRLINES INC between Narita International Airport (RJAA) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL838 on September 26, 2026. The flight is most often flown by a BOEING Boeing 777-300ER. Typical block time is 5h 47m. SkyMeter has observed 169 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
169
last 90 days
⏱
AVG DURATION
5h 47m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
RJAA → KSFO
80
avg 9h 19m · Narita → San Francisco

Aircraft types

Equipment used on this number

3
B77W BOEING Boeing 777-300ER
83
B38M BOEING Boeing 737 MAX 8
74
B738 BOEING Boeing 737-800
12

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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 UAL838

30
N2250UBOEING Boeing 777-300ER
→
9/26/2026
9h 15m
No alerts
Replay Analysis
N17309BOEING Boeing 737 MAX 8
→
9/26/2026
2h 43m
No alerts
Replay Analysis
N2331UBOEING Boeing 777-300ER
→
9/25/2026
8h 16m
No alerts
Replay Analysis
N27304BOEING Boeing 737 MAX 8
→
9/25/2026
2h 14m
No alerts
Replay Analysis
N2737UBOEING Boeing 777-300ER
→
9/24/2026
8h 34m
No alerts
Replay Analysis
N17322BOEING Boeing 737 MAX 8
→
9/24/2026
2h 50m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
9/23/2026
9h 0m
No alerts
Replay Analysis
N27304BOEING Boeing 737 MAX 8
→
9/23/2026
2h 50m
No alerts
Replay Analysis
N2138UBOEING Boeing 777-300ER
→
9/22/2026
8h 46m
No alerts
Replay Analysis
N17316BOEING Boeing 737 MAX 8
→
9/22/2026
2h 15m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
9/20/2026
9h 6m
No alerts
Replay Analysis
N37319BOEING Boeing 737 MAX 8
→
9/20/2026
2h 56m
No alerts
Replay Analysis
N2332UBOEING Boeing 777-300ER
→
9/19/2026
8h 48m
No alerts
Replay Analysis
N17316BOEING Boeing 737 MAX 8
→
9/19/2026
2h 14m
No alerts
Replay Analysis
N2352UBOEING Boeing 777-300ER
→
9/18/2026
8h 47m
No alerts
Replay Analysis
N17309BOEING Boeing 737 MAX 8
→
9/18/2026
2h 56m
No alerts
Replay Analysis
N2846UBOEING Boeing 777-300ER
→
9/17/2026
9h 3m
No alerts
Replay Analysis
N17306BOEING Boeing 737 MAX 8
→
9/17/2026
2h 50m
No alerts
Replay Analysis
N2135UBOEING Boeing 777-300ER
→
9/16/2026
9h 36m
No alerts
Replay Analysis
N17309BOEING Boeing 737 MAX 8
→
9/16/2026
2h 6m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
9/15/2026
9h 53m
No alerts
Replay Analysis
N17316BOEING Boeing 737 MAX 8
→
9/15/2026
3h 5m
No alerts
Replay Analysis
N2352UBOEING Boeing 777-300ER
→
9/14/2026
9h 17m
No alerts
Replay Analysis
N17306BOEING Boeing 737 MAX 8
→
9/14/2026
3h 4m
No alerts
Replay Analysis
N2644UBOEING Boeing 777-300ER
→
9/13/2026
8h 56m
No alerts
Replay Analysis
N17303BOEING Boeing 737 MAX 8
→
9/13/2026
3h 5m
No alerts
Replay Analysis
N2243UBOEING Boeing 777-300ER
→
9/12/2026
8h 51m
No alerts
Replay Analysis
N17306BOEING Boeing 737 MAX 8
→
9/12/2026
2h 14m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
9/11/2026
8h 47m
No alerts
Replay Analysis
N17302BOEING Boeing 737 MAX 8
→
9/11/2026
2h 55m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window