UAL921 is operated by UNITED AIRLINES INC between London Heathrow Airport (EGLL) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 767-300. Typical block time is 5h 51m. SkyMeter has observed 102 legs of this flight number via ADS-B.

✈
FLIGHTS
102
last 90 days
⏱
AVG DURATION
5h 51m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/27/2026
first → last seen
🗺
ROUTES / TYPES
6 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
EGLL → KEWR
58
avg 7h 51m · London Heathrow → Newark Liberty
NJ46 → KEWR
1
avg 23m · Mar Bar L Farms → Newark Liberty
1NJ8 → KEWR
1
avg 13m · Scardo's Heliport → Newark Liberty
4NJ2 → KEWR
1
avg 8m · Passaic River Seaplane Base → Newark Liberty

Aircraft types

Equipment used on this number

2
B763 BOEING Boeing 767-300
216
B764 BOEING Boeing 767-400
4

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 UAL921

30
N664UABOEING Boeing 767-300
→
06/27/2026
7h 1m
No alerts
Replay Analysis
N666UABOEING Boeing 767-300
→
06/27/2026
58m
No alerts
Replay Analysis
N666UABOEING Boeing 767-300
→
06/26/2026
6h 45m
No alerts
Replay Analysis
N666UABOEING Boeing 767-300
→
06/26/2026
7h 44m
No alerts
Replay Analysis
N669UABOEING Boeing 767-300
→
06/26/2026
1h 34m
No alerts
Replay Analysis
N669UABOEING Boeing 767-300
→
06/25/2026
6h 10m
No alerts
Replay Analysis
N669UABOEING Boeing 767-300
→
06/25/2026
7h 45m
No alerts
Replay Analysis
N652UABOEING Boeing 767-300
→
06/25/2026
1h 32m
No alerts
Replay Analysis
N652UABOEING Boeing 767-300
→
06/24/2026
6h 25m
No alerts
Replay Analysis
N652UABOEING Boeing 767-300
→
06/24/2026
7h 58m
No alerts
Replay Analysis
N665UABOEING Boeing 767-300
→
06/24/2026
1h 26m
No alerts
Replay Analysis
N665UABOEING Boeing 767-300
→
06/23/2026
6h 54m
No alerts
Replay Analysis
N665UABOEING Boeing 767-300
→
06/23/2026
8h 21m
No alerts
Replay Analysis
N674UABOEING Boeing 767-300
→
06/23/2026
1h 10m
No alerts
Replay Analysis
N674UABOEING Boeing 767-300
→
06/22/2026
8h 9m
No alerts
Replay Analysis
N674UABOEING Boeing 767-300
→
06/22/2026
6h 58m
No alerts
Replay Analysis
N663UABOEING Boeing 767-300
→
06/22/2026
55m
No alerts
Replay Analysis
N663UABOEING Boeing 767-300
→
06/21/2026
7h 2m
No alerts
Replay Analysis
N663UABOEING Boeing 767-300
→
06/21/2026
7h 58m
No alerts
Replay Analysis
N670UABOEING Boeing 767-300
→
06/21/2026
39m
No alerts
Replay Analysis
N668UABOEING Boeing 767-300
→
06/20/2026
1h 23m
No alerts
Replay Analysis
N668UABOEING Boeing 767-300
→
06/19/2026
6h 27m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
06/19/2026
51m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
06/18/2026
7h 20m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
06/18/2026
6h 28m
No alerts
Replay Analysis
N673UABOEING Boeing 767-300
→
06/18/2026
51m
No alerts
Replay Analysis
N673UABOEING Boeing 767-300
→
06/17/2026
7h 25m
No alerts
Replay Analysis
N673UABOEING Boeing 767-300
→
06/17/2026
6h 33m
No alerts
Replay Analysis
N665UABOEING Boeing 767-300
→
06/17/2026
8m
No alerts
Replay Analysis
N665UABOEING Boeing 767-300
→
06/16/2026
7h 5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window