Flight Status & Tracker

UAL21

UNITED AIRLINES INC · AMS → IAH · Last tracked Oct 11, 2026

UAL21 is a flight number operated by UNITED AIRLINES INC between Amsterdam Airport Schiphol (EHAM) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL21 on October 11, 2026. The flight is most often flown by a BOEING Boeing 767-300. Typical block time is 10h 11m. 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
10h 11m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/11/2026
first → last seen
🗺
ROUTES / TYPES
3 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
EHAM → KIAH
79
avg 10h 34m · Amsterdam Airport Schiphol → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

1
B763 BOEING Boeing 767-300
87

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 UAL21

30
N642UABOEING Boeing 767-300
→
10/11/2026
10h 58m
No alerts
Replay Analysis
N643UABOEING Boeing 767-300
→
10/10/2026
10h 44m
No alerts
Replay Analysis
N655UABOEING Boeing 767-300
→
10/9/2026
10h 49m
No alerts
Replay Analysis
N656UABOEING Boeing 767-300
→
10/8/2026
11h 3m
No alerts
Replay Analysis
N649UABOEING Boeing 767-300
→
10/7/2026
10h 56m
No alerts
Replay Analysis
N655UABOEING Boeing 767-300
→
10/6/2026
10h 47m
No alerts
Replay Analysis
N648UABOEING Boeing 767-300
→
10/5/2026
10h 44m
No alerts
Replay Analysis
N647UABOEING Boeing 767-300
→
10/4/2026
11h 4m
No alerts
Replay Analysis
N643UABOEING Boeing 767-300
→
10/3/2026
10h 54m
No alerts
Replay Analysis
N644UABOEING Boeing 767-300
→
10/2/2026
10h 59m
No alerts
Replay Analysis
N655UABOEING Boeing 767-300
→
10/1/2026
10h 35m
No alerts
Replay Analysis
N647UABOEING Boeing 767-300
→
9/30/2026
10h 7m
No alerts
Replay Analysis
N654UABOEING Boeing 767-300
→
9/29/2026
10h 13m
No alerts
Replay Analysis
N641UABOEING Boeing 767-300
→
9/28/2026
10h 35m
No alerts
Replay Analysis
N648UABOEING Boeing 767-300
→
9/27/2026
10h 7m
No alerts
Replay Analysis
N660UABOEING Boeing 767-300
→
9/26/2026
10h 33m
No alerts
Replay Analysis
N647UABOEING Boeing 767-300
→
9/25/2026
10h 40m
No alerts
Replay Analysis
N643UABOEING Boeing 767-300
→
9/24/2026
10h 24m
No alerts
Replay Analysis
N644UABOEING Boeing 767-300
→
9/23/2026
10h 29m
No alerts
Replay Analysis
N648UABOEING Boeing 767-300
→
9/22/2026
10h 22m
No alerts
Replay Analysis
N642UABOEING Boeing 767-300
→
9/20/2026
10h 57m
No alerts
Replay Analysis
N647UABOEING Boeing 767-300
→
9/18/2026
10h 53m
No alerts
Replay Analysis
N644UABOEING Boeing 767-300
→
9/17/2026
10h 45m
No alerts
Replay Analysis
N656UABOEING Boeing 767-300
→
9/16/2026
4h 7m
No alerts
Replay Analysis
N656UABOEING Boeing 767-300
→
9/16/2026
2h 15m
No alerts
Replay Analysis
N642UABOEING Boeing 767-300
→
9/15/2026
10h 27m
No alerts
Replay Analysis
N641UABOEING Boeing 767-300
→
9/14/2026
10h 38m
No alerts
Replay Analysis
N648UABOEING Boeing 767-300
→
9/13/2026
10h 54m
No alerts
Replay Analysis
N655UABOEING Boeing 767-300
→
9/12/2026
10h 47m
No alerts
Replay Analysis
N643UABOEING Boeing 767-300
→
9/11/2026
10h 43m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window