Flight Status & Tracker

UAL877

UNITED AIRLINES INC · SFO → HKG · Last tracked Oct 22, 2026

UAL877 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Hong Kong International Airport (VHHH). SkyMeter last tracked UAL877 on October 22, 2026. The flight is most often flown by a BOEING Boeing 777-300ER. Typical block time is 12h 57m. SkyMeter has observed 87 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
87
last 90 days
⏱
AVG DURATION
12h 57m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/22/2026
first → last seen
🗺
ROUTES / TYPES
11 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
KSFO → VHHH
50
avg 14h 0m · San Francisco → Hong Kong
KHAF → VHHH
14
avg 13h 48m · Half Moon Bay → Hong Kong
KSFO → ZGNT
3
avg 14h 19m · San Francisco → Shenzhen Nantou Heliport
KOAK → VHHH
2
avg 14h 6m · Metropolitan Oakland → Hong Kong
KSFO → VMMC
2
avg 14h 11m · San Francisco → Macau
KHAF → VMMC
1
avg 14h 18m · Half Moon Bay → Macau
US-0188 → VHHH
1
avg 13h 49m · Coast Guard Air Station San Francisco → Hong Kong
CN-0120 → VHHH
1
avg 12m · Guishan Dao Helipad → Hong Kong

Aircraft types

Equipment used on this number

2
B77W BOEING Boeing 777-300ER
86
B772 BOEING Boeing 777-200
3

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 UAL877

30
N2243UBOEING Boeing 777-300ER
→
10/22/2026
15h 17m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
10/21/2026
14h 23m
No alerts
Replay Analysis
N57016BOEING Boeing 777-200
→
10/20/2026
14h 22m
No alerts
Replay Analysis
N2333UBOEING Boeing 777-300ER
→
10/15/2026
14h 25m
No alerts
Replay Analysis
N2748UBOEING Boeing 777-300ER
→
10/14/2026
14h 37m
No alerts
Replay Analysis
N2737UBOEING Boeing 777-300ER
→
10/13/2026
14h 17m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
10/12/2026
14h 28m
No alerts
Replay Analysis
N2136UBOEING Boeing 777-300ER
→
10/11/2026
14h 28m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
10/10/2026
14h 9m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
10/9/2026
14h 7m
No alerts
Replay Analysis
N2138UBOEING Boeing 777-300ER
→
10/8/2026
13h 2m
No alerts
Replay Analysis
N2748UBOEING Boeing 777-300ER
→
10/7/2026
14h 1m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
10/6/2026
11m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
10/6/2026
1h 1m
No alerts
Replay Analysis
N2333UBOEING Boeing 777-300ER
→
10/5/2026
13h 56m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
10/4/2026
14h 16m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
10/3/2026
14h 18m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
10/2/2026
10m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
10/2/2026
2h 30m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
10/2/2026
1h 45m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
10/2/2026
1h 17m
No alerts
Replay Analysis
N2138UBOEING Boeing 777-300ER
→
10/1/2026
14h 4m
No alerts
Replay Analysis
N2332UBOEING Boeing 777-300ER
→
9/30/2026
14h 11m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
9/29/2026
14h 16m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
9/28/2026
14h 21m
No alerts
Replay Analysis
N2749UBOEING Boeing 777-300ER
→
9/27/2026
14h 12m
No alerts
Replay Analysis
N2332UBOEING Boeing 777-300ER
→
9/26/2026
14h 37m
No alerts
Replay Analysis
N2136UBOEING Boeing 777-300ER
→
9/25/2026
14h 13m
No alerts
Replay Analysis
N2138UBOEING Boeing 777-300ER
→
9/24/2026
14h 4m
No alerts
Replay Analysis
N2331UBOEING Boeing 777-300ER
→
9/23/2026
14h 9m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window