Flight Status & Tracker

DAL21

DELTA AIR LINES INC · LHR → EGLM · Last tracked Oct 21, 2026

DAL21 is a flight number operated by DELTA AIR LINES INC between London Heathrow Airport (EGLL) and White Waltham Airfield (EGLM). SkyMeter last tracked DAL21 on October 21, 2026. The flight is most often flown by a AIRBUS Airbus A330-900. Typical block time is 2h 43m. SkyMeter has observed 126 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
126
last 90 days
⏱
AVG DURATION
2h 43m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/21/2026
first → last seen
🗺
ROUTES / TYPES
4 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
EGLL → EGLM
2
avg 3h 5m · London Heathrow → White Waltham Airfield
EGLL → KSEA
1
avg 10h 8m · London Heathrow → Seattle Tacoma

Aircraft types

Equipment used on this number

1
A339 AIRBUS Airbus A330-900
128

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 DAL21

30
N418DXAIRBUS Airbus A330-900
→
10/21/2026
2h 57m
No alerts
Replay Analysis
N403DXAIRBUS Airbus A330-900
→
10/20/2026
2h 39m
No alerts
Replay Analysis
N438DXAIRBUS Airbus A330-900
→
10/20/2026
2h 4m
No alerts
Replay Analysis
N438DXAIRBUS Airbus A330-900
→
10/19/2026
2h 44m
No alerts
Replay Analysis
N412DXAIRBUS Airbus A330-900
→
10/18/2026
3h 22m
No alerts
Replay Analysis
N428DXAIRBUS Airbus A330-900
→
10/17/2026
2h 30m
No alerts
Replay Analysis
N428DXAIRBUS Airbus A330-900
→
10/16/2026
3h 8m
No alerts
Replay Analysis
N419DXAIRBUS Airbus A330-900
→
10/16/2026
2h 34m
No alerts
Replay Analysis
N419DXAIRBUS Airbus A330-900
→
10/15/2026
3h 9m
No alerts
Replay Analysis
N425DXAIRBUS Airbus A330-900
→
10/14/2026
3h 10m
No alerts
Replay Analysis
N409DXAIRBUS Airbus A330-900
→
10/13/2026
3h 21m
No alerts
Replay Analysis
N433DXAIRBUS Airbus A330-900
→
10/12/2026
3h 18m
No alerts
Replay Analysis
N427DXAIRBUS Airbus A330-900
→
10/12/2026
2h 13m
No alerts
Replay Analysis
N427DXAIRBUS Airbus A330-900
→
10/11/2026
2h 18m
No alerts
Replay Analysis
N419DXAIRBUS Airbus A330-900
→
10/10/2026
3h 1m
No alerts
Replay Analysis
N439DXAIRBUS Airbus A330-900
→
10/9/2026
3h 7m
No alerts
Replay Analysis
N426DZAIRBUS Airbus A330-900
→
10/9/2026
2h 19m
No alerts
Replay Analysis
N426DZAIRBUS Airbus A330-900
→
10/8/2026
3h 14m
No alerts
Replay Analysis
N426DZAIRBUS Airbus A330-900
→
10/8/2026
2h 12m
No alerts
Replay Analysis
N426DZAIRBUS Airbus A330-900
→
10/7/2026
3h 39m
No alerts
Replay Analysis
N414DZAIRBUS Airbus A330-900
→
10/6/2026
3h 1m
No alerts
Replay Analysis
N414DZAIRBUS Airbus A330-900
→
10/6/2026
2h 14m
No alerts
Replay Analysis
N414DZAIRBUS Airbus A330-900
→
10/5/2026
3h 16m
No alerts
Replay Analysis
N406DXAIRBUS Airbus A330-900
→
10/4/2026
3h 26m
No alerts
Replay Analysis
N402DXAIRBUS Airbus A330-900
→
10/4/2026
2h 3m
No alerts
Replay Analysis
N402DXAIRBUS Airbus A330-900
→
10/3/2026
3h 6m
No alerts
Replay Analysis
N403DXAIRBUS Airbus A330-900
→
10/2/2026
3h 18m
No alerts
Replay Analysis
N407DXAIRBUS Airbus A330-900
→
10/2/2026
2h 17m
No alerts
Replay Analysis
N407DXAIRBUS Airbus A330-900
→
10/1/2026
1h 44m
No alerts
Replay Analysis
N408DXAIRBUS Airbus A330-900
→
9/29/2026
2h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window