UAL852 is operated by UNITED AIRLINES INC between Taiwan Taoyuan International Airport (RCTP) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 777-200. Typical block time is 11h 21m. SkyMeter has observed 84 legs of this flight number via ADS-B.

✈
FLIGHTS
84
last 90 days
⏱
AVG DURATION
11h 21m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/18/2026
first → last seen
🗺
ROUTES / TYPES
3 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
RCTP → KSFO
76
avg 11h 41m · Taiwan Taoyuan → San Francisco

Aircraft types

Equipment used on this number

2
B772 BOEING Boeing 777-200
82
B77W BOEING Boeing 777-300ER
2

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 UAL852

30
N78003BOEING Boeing 777-200
→
08/18/2026
12h 1m
No alerts
Replay Analysis
N785UABOEING Boeing 777-200
→
08/17/2026
11h 56m
No alerts
Replay Analysis
N76021BOEING Boeing 777-200
→
08/16/2026
12h 12m
No alerts
Replay Analysis
N797UABOEING Boeing 777-200
→
08/15/2026
12h 8m
No alerts
Replay Analysis
N76010BOEING Boeing 777-200
→
08/14/2026
11h 54m
No alerts
Replay Analysis
N57016BOEING Boeing 777-200
→
08/13/2026
10h 7m
No alerts
Replay Analysis
N78003BOEING Boeing 777-200
→
08/12/2026
11h 48m
No alerts
Replay Analysis
N78017BOEING Boeing 777-200
→
08/11/2026
11h 59m
No alerts
Replay Analysis
N796UABOEING Boeing 777-200
→
08/10/2026
9h 56m
No alerts
Replay Analysis
N204UABOEING Boeing 777-200
→
08/09/2026
12h 13m
No alerts
Replay Analysis
N783UABOEING Boeing 777-200
→
08/08/2026
12h 39m
No alerts
Replay Analysis
N78005BOEING Boeing 777-200
→
08/07/2026
12h 14m
No alerts
Replay Analysis
N77022BOEING Boeing 777-200
→
08/06/2026
11h 38m
No alerts
Replay Analysis
N798UABOEING Boeing 777-200
→
08/05/2026
11h 35m
No alerts
Replay Analysis
N796UABOEING Boeing 777-200
→
08/04/2026
11h 43m
No alerts
Replay Analysis
N229UABOEING Boeing 777-200
→
08/03/2026
12h 3m
No alerts
Replay Analysis
N227UABOEING Boeing 777-200
→
08/02/2026
9h 34m
No alerts
Replay Analysis
N77006BOEING Boeing 777-200
→
08/01/2026
11h 57m
No alerts
Replay Analysis
N791UABOEING Boeing 777-200
→
07/31/2026
11h 41m
No alerts
Replay Analysis
N77022BOEING Boeing 777-200
→
07/30/2026
11h 28m
No alerts
Replay Analysis
N224UABOEING Boeing 777-200
→
07/29/2026
11h 29m
No alerts
Replay Analysis
N791UABOEING Boeing 777-200
→
07/28/2026
12h 0m
No alerts
Replay Analysis
N786UABOEING Boeing 777-200
→
07/27/2026
11h 47m
No alerts
Replay Analysis
N791UABOEING Boeing 777-200
→
07/26/2026
11h 19m
No alerts
Replay Analysis
N57016BOEING Boeing 777-200
→
07/25/2026
11h 34m
No alerts
Replay Analysis
N217UABOEING Boeing 777-200
→
07/24/2026
11h 53m
No alerts
Replay Analysis
N76021BOEING Boeing 777-200
→
07/23/2026
11h 47m
No alerts
Replay Analysis
N793UABOEING Boeing 777-200
→
07/22/2026
11h 44m
No alerts
Replay Analysis
N795UABOEING Boeing 777-200
→
07/21/2026
11h 51m
No alerts
Replay Analysis
N218UABOEING Boeing 777-200
→
07/20/2026
11h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window