Flight Status & Tracker

UAL853

UNITED AIRLINES INC · SFO → TPE · Last tracked Oct 21, 2026

UAL853 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Taiwan Taoyuan International Airport (RCTP). SkyMeter last tracked UAL853 on October 21, 2026. The flight is most often flown by a BOEING Boeing 777-200. Typical block time is 12h 7m. SkyMeter has observed 85 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
85
last 90 days
⏱
AVG DURATION
12h 7m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/21/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSFO → RCTP
64
avg 13h 9m · San Francisco → Taiwan Taoyuan
KHAF → RCTP
9
avg 13h 0m · Half Moon Bay → Taiwan Taoyuan
US-0188 → RCTP
4
avg 13h 23m · Coast Guard Air Station San Francisco → Taiwan Taoyuan

Aircraft types

Equipment used on this number

1
B772 BOEING Boeing 777-200
85

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 UAL853

30
N78003BOEING Boeing 777-200
→
10/21/2026
13h 32m
No alerts
Replay Analysis
N786UABOEING Boeing 777-200
→
10/20/2026
13h 18m
No alerts
Replay Analysis
N229UABOEING Boeing 777-200
→
10/19/2026
13h 25m
No alerts
Replay Analysis
N69020BOEING Boeing 777-200
→
10/18/2026
13h 13m
No alerts
Replay Analysis
N78013BOEING Boeing 777-200
→
10/16/2026
1h 1m
No alerts
Replay Analysis
N74007BOEING Boeing 777-200
→
10/15/2026
13h 56m
No alerts
Replay Analysis
N78017BOEING Boeing 777-200
→
10/14/2026
13h 51m
No alerts
Replay Analysis
N78003BOEING Boeing 777-200
→
10/13/2026
13h 51m
No alerts
Replay Analysis
N74007BOEING Boeing 777-200
→
10/12/2026
14h 0m
No alerts
Replay Analysis
N227UABOEING Boeing 777-200
→
10/11/2026
13h 59m
No alerts
Replay Analysis
N226UABOEING Boeing 777-200
→
10/10/2026
13h 35m
No alerts
Replay Analysis
N78002BOEING Boeing 777-200
→
10/9/2026
13h 20m
No alerts
Replay Analysis
N77014BOEING Boeing 777-200
→
10/8/2026
13h 22m
No alerts
Replay Analysis
N77022BOEING Boeing 777-200
→
10/7/2026
13h 12m
No alerts
Replay Analysis
N78002BOEING Boeing 777-200
→
10/6/2026
13h 32m
No alerts
Replay Analysis
N77019BOEING Boeing 777-200
→
10/5/2026
13h 45m
No alerts
Replay Analysis
N794UABOEING Boeing 777-200
→
10/4/2026
13h 28m
No alerts
Replay Analysis
N796UABOEING Boeing 777-200
→
10/3/2026
13h 56m
No alerts
Replay Analysis
N78005BOEING Boeing 777-200
→
10/2/2026
13h 37m
No alerts
Replay Analysis
N76021BOEING Boeing 777-200
→
10/1/2026
13h 23m
No alerts
Replay Analysis
N787UABOEING Boeing 777-200
→
9/30/2026
13h 40m
No alerts
Replay Analysis
N78002BOEING Boeing 777-200
→
9/29/2026
13h 19m
No alerts
Replay Analysis
N226UABOEING Boeing 777-200
→
9/28/2026
13h 16m
No alerts
Replay Analysis
N793UABOEING Boeing 777-200
→
9/27/2026
13h 14m
No alerts
Replay Analysis
N227UABOEING Boeing 777-200
→
9/26/2026
13h 29m
No alerts
Replay Analysis
N77006BOEING Boeing 777-200
→
9/25/2026
5h 56m
No alerts
Replay Analysis
N791UABOEING Boeing 777-200
→
9/24/2026
13h 29m
No alerts
Replay Analysis
N78003BOEING Boeing 777-200
→
9/23/2026
13h 35m
No alerts
Replay Analysis
N783UABOEING Boeing 777-200
→
9/22/2026
13h 7m
No alerts
Replay Analysis
N784UABOEING Boeing 777-200
→
9/21/2026
13h 40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window