DAL400 is operated by DELTA AIR LINES INC between San Francisco International Airport (KSFO) and General Edward Lawrence Logan International Airport (KBOS). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 5h 26m. SkyMeter has observed 87 legs of this flight number via ADS-B.

✈
FLIGHTS
87
last 90 days
⏱
AVG DURATION
5h 26m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSFO → KBOS
65
avg 5h 32m · San Francisco → General Edward Lawrence Logan
KHAF → KBOS
14
avg 5h 31m · Half Moon Bay → General Edward Lawrence Logan
KOAK → KBOS
5
avg 5h 35m · Metropolitan Oakland → General Edward Lawrence Logan

Aircraft types

Equipment used on this number

1
A21N AIRBUS Airbus A321 Neo
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 DAL400

30
N587DTAIRBUS Airbus A321 Neo
→
07/19/2026
5h 26m
No alerts
Replay Analysis
N536DNAIRBUS Airbus A321 Neo
→
07/18/2026
5h 47m
No alerts
Replay Analysis
N513DAAIRBUS Airbus A321 Neo
→
07/17/2026
5h 25m
No alerts
Replay Analysis
N520DEAIRBUS Airbus A321 Neo
→
07/16/2026
5h 19m
No alerts
Replay Analysis
N520DEAIRBUS Airbus A321 Neo
→
07/15/2026
5h 47m
No alerts
Replay Analysis
N520DEAIRBUS Airbus A321 Neo
→
07/14/2026
5h 37m
No alerts
Replay Analysis
N549DNAIRBUS Airbus A321 Neo
→
07/13/2026
5h 47m
No alerts
Replay Analysis
N585DNAIRBUS Airbus A321 Neo
→
07/12/2026
5h 44m
No alerts
Replay Analysis
N549DNAIRBUS Airbus A321 Neo
→
07/11/2026
5h 45m
No alerts
Replay Analysis
N548DNAIRBUS Airbus A321 Neo
→
07/10/2026
5h 42m
No alerts
Replay Analysis
N547DEAIRBUS Airbus A321 Neo
→
07/09/2026
5h 27m
No alerts
Replay Analysis
N547DEAIRBUS Airbus A321 Neo
→
07/08/2026
5h 44m
No alerts
Replay Analysis
N547DEAIRBUS Airbus A321 Neo
→
07/07/2026
5h 57m
No alerts
Replay Analysis
N516DAAIRBUS Airbus A321 Neo
→
07/06/2026
5h 39m
No alerts
Replay Analysis
N516DAAIRBUS Airbus A321 Neo
→
07/05/2026
5h 40m
No alerts
Replay Analysis
N537DTAIRBUS Airbus A321 Neo
→
07/04/2026
5h 31m
No alerts
Replay Analysis
N541DEAIRBUS Airbus A321 Neo
→
07/03/2026
5h 28m
No alerts
Replay Analysis
N541DEAIRBUS Airbus A321 Neo
→
07/02/2026
5h 31m
No alerts
Replay Analysis
N541DEAIRBUS Airbus A321 Neo
→
07/01/2026
5h 32m
No alerts
Replay Analysis
N541DEAIRBUS Airbus A321 Neo
→
06/30/2026
5h 43m
No alerts
Replay Analysis
N510DEAIRBUS Airbus A321 Neo
→
06/29/2026
5h 39m
No alerts
Replay Analysis
N510DEAIRBUS Airbus A321 Neo
→
06/28/2026
5h 53m
No alerts
Replay Analysis
N510DEAIRBUS Airbus A321 Neo
→
06/27/2026
5h 18m
No alerts
Replay Analysis
N507DZAIRBUS Airbus A321 Neo
→
06/26/2026
5h 15m
No alerts
Replay Analysis
N530DEAIRBUS Airbus A321 Neo
→
06/25/2026
5h 26m
No alerts
Replay Analysis
N530DEAIRBUS Airbus A321 Neo
→
06/24/2026
5h 17m
No alerts
Replay Analysis
N530DEAIRBUS Airbus A321 Neo
→
06/23/2026
5h 31m
No alerts
Replay Analysis
N524DEAIRBUS Airbus A321 Neo
→
06/22/2026
5h 44m
No alerts
Replay Analysis
N609DNAIRBUS Airbus A321 Neo
→
06/21/2026
5h 4m
No alerts
Replay Analysis
N510DEAIRBUS Airbus A321 Neo
→
06/20/2026
5h 14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window