Flight Status & Tracker

UAL821

BOEING CO · BKK → HKG · Last tracked Nov 11, 2026

UAL821 is a flight number operated by BOEING CO between Suvarnabhumi Airport (VTBS) and Hong Kong International Airport (VHHH). SkyMeter last tracked UAL821 on November 11, 2026. The flight is most often flown by a BOEING Boeing 787-9 Dreamliner. Typical block time is 2h 35m. SkyMeter has observed 238 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
238
last 90 days
⏱
AVG DURATION
2h 35m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 11/11/2026
first → last seen
🗺
ROUTES / TYPES
8 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
59
avg 2h 49m · Suvarnabhumi → Hong Kong
avg 13m · Sha Chau Helipad → Hong Kong
1
avg 10h 9m · Hong Kong → Daniel K Inouye
1
avg 12h 36m · Hong Kong → Los Angeles
1
avg 4h 44m · Daniel K Inouye → Los Angeles

Aircraft types

Equipment used on this number

1

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 UAL821

30
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window