DLH421 is operated by between General Edward Lawrence Logan International Airport (KBOS) and Frankfurt am Main Airport (EDDF). The flight is most often flown by a AIRBUS Airbus A340-300. Typical block time is 6h 52m. SkyMeter has observed 18 legs of this flight number via ADS-B.
✈
FLIGHTS
18
last 90 days
⏱
AVG DURATION
6h 52m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/28/2026
first → last seen
🗺
ROUTES / TYPES
3 / 2
city pairs · airframes
⚠
INCIDENT RATE
11.1%
2 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
2
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 DLH421
06/28/2026
6h 57m
No alerts
06/27/2026
6h 58m
No alerts
06/26/2026
6h 32m
No alerts
06/25/2026
6h 49m
No alerts
06/23/2026
6h 56m
No alerts
06/22/2026
6h 52m
No alerts
06/21/2026
6h 49m
No alerts
06/20/2026
6h 59m
△ Unstable
06/19/2026
7h 18m
No alerts
06/17/2026
6h 30m
No alerts
06/16/2026
6h 48m
No alerts
06/15/2026
6h 59m
△ Unstable
06/13/2026
6h 53m
No alerts
06/12/2026
6h 37m
No alerts
06/11/2026
6h 35m
No alerts
10/25/2025
7h 19m
No alerts
10/22/2025
7h 14m
No alerts
10/21/2025
7h 36m
No alerts
10/20/2025
7h 24m
No alerts
10/19/2025
7h 11m
No alerts
10/18/2025
7h 10m
No alerts
10/17/2025
7h 12m
No alerts
10/15/2025
7h 24m
No alerts
10/13/2025
7h 41m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window
