Flight Status & Tracker

UAL821

UNITED AIRLINES INC · BKK → HKG · Last tracked Sep 26, 2026

UAL821 is a flight number operated by UNITED AIRLINES INC between Suvarnabhumi Airport (VTBS) and Hong Kong International Airport (VHHH). SkyMeter last tracked UAL821 on September 26, 2026. The flight is most often flown by a BOEING Boeing 787-9 Dreamliner. Typical block time is 2h 37m. SkyMeter has observed 242 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
242
last 90 days
⏱
AVG DURATION
2h 37m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
7 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
VTBS → VHHH
71
avg 2h 54m · Suvarnabhumi → Hong Kong
HK-0061 → VHHH
3
avg 14m · Sha Chau Helipad → Hong Kong
VHHH → PHNL
1
avg 9h 53m · Hong Kong → Daniel K Inouye
PHNL → KLAX
1
avg 4h 51m · Daniel K Inouye → Los Angeles

Aircraft types

Equipment used on this number

1
B789 BOEING Boeing 787-9 Dreamliner
244

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
N29981BOEING Boeing 787-9 Dreamliner
→
9/26/2026
1h 39m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/26/2026
3h 0m
No alerts
Replay Analysis
N26952BOEING Boeing 787-9 Dreamliner
→
9/25/2026
3h 59m
No alerts
Replay Analysis
N26952BOEING Boeing 787-9 Dreamliner
→
9/25/2026
2h 51m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
9/25/2026
1h 29m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
9/24/2026
3h 55m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
9/24/2026
2h 48m
No alerts
Replay Analysis
N38955BOEING Boeing 787-9 Dreamliner
→
9/24/2026
1h 25m
No alerts
Replay Analysis
N38955BOEING Boeing 787-9 Dreamliner
→
9/23/2026
2h 10m
No alerts
Replay Analysis
N38955BOEING Boeing 787-9 Dreamliner
→
9/23/2026
2h 45m
No alerts
Replay Analysis
N19951BOEING Boeing 787-9 Dreamliner
→
9/23/2026
1h 19m
No alerts
Replay Analysis
N19951BOEING Boeing 787-9 Dreamliner
→
9/22/2026
2h 14m
No alerts
Replay Analysis
N19951BOEING Boeing 787-9 Dreamliner
→
9/22/2026
2h 24m
No alerts
Replay Analysis
N38950BOEING Boeing 787-9 Dreamliner
→
9/22/2026
1h 28m
No alerts
Replay Analysis
N38950BOEING Boeing 787-9 Dreamliner
→
9/21/2026
3h 33m
No alerts
Replay Analysis
N38950BOEING Boeing 787-9 Dreamliner
→
9/21/2026
23m
No alerts
Replay Analysis
N38950BOEING Boeing 787-9 Dreamliner
→
9/21/2026
2h 16m
No alerts
Replay Analysis
N38950BOEING Boeing 787-9 Dreamliner
→
9/21/2026
1h 19m
No alerts
Replay Analysis
N19951BOEING Boeing 787-9 Dreamliner
→
9/21/2026
1h 25m
No alerts
Replay Analysis
N19951BOEING Boeing 787-9 Dreamliner
→
9/20/2026
2h 2m
No alerts
Replay Analysis
N19951BOEING Boeing 787-9 Dreamliner
→
9/20/2026
2h 50m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/20/2026
1h 19m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/19/2026
4h 10m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/19/2026
2h 43m
No alerts
Replay Analysis
N36962BOEING Boeing 787-9 Dreamliner
→
9/19/2026
1h 16m
No alerts
Replay Analysis
N36962BOEING Boeing 787-9 Dreamliner
→
9/18/2026
4h 3m
No alerts
Replay Analysis
N36962BOEING Boeing 787-9 Dreamliner
→
9/18/2026
2h 43m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/18/2026
1h 22m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/17/2026
3h 48m
No alerts
Replay Analysis
N29981BOEING Boeing 787-9 Dreamliner
→
9/17/2026
2h 27m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window