Flight Status & Tracker

DAL400

DELTA AIR LINES INC · SFO → BOS · Last tracked Oct 18, 2026

DAL400 is a flight number operated by DELTA AIR LINES INC between San Francisco International Airport (KSFO) and General Edward Lawrence Logan International Airport (KBOS). SkyMeter last tracked DAL400 on October 18, 2026. The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 5h 27m. SkyMeter has observed 74 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
74
last 90 days
⏱
AVG DURATION
5h 27m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
5 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSFO → KBOS
56
avg 5h 31m · San Francisco → General Edward Lawrence Logan
KHAF → KBOS
11
avg 5h 36m · Half Moon Bay → General Edward Lawrence Logan
KOAK → KBOS
4
avg 5h 33m · Metropolitan Oakland → General Edward Lawrence Logan

Aircraft types

Equipment used on this number

2
A21N AIRBUS Airbus A321 Neo
72
BE20 BEECH Beech 200 Super King
1

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
N514CJBEECH Beech 200 Super King
→
10/18/2026
5h 36m
No alerts
Replay Analysis
N512DEAIRBUS Airbus A321 Neo
→
10/16/2026
5h 47m
No alerts
Replay Analysis
N542DEAIRBUS Airbus A321 Neo
→
10/15/2026
5h 24m
No alerts
Replay Analysis
N533DTAIRBUS Airbus A321 Neo
→
10/10/2026
5h 9m
No alerts
Replay Analysis
N510DEAIRBUS Airbus A321 Neo
→
10/9/2026
5h 27m
No alerts
Replay Analysis
N521DTAIRBUS Airbus A321 Neo
→
10/8/2026
5h 31m
No alerts
Replay Analysis
N508DAAIRBUS Airbus A321 Neo
→
10/7/2026
5h 32m
No alerts
Replay Analysis
N516DAAIRBUS Airbus A321 Neo
→
10/6/2026
5h 32m
No alerts
Replay Analysis
N542DEAIRBUS Airbus A321 Neo
→
10/5/2026
5h 43m
No alerts
Replay Analysis
N527DEAIRBUS Airbus A321 Neo
→
10/4/2026
5h 42m
No alerts
Replay Analysis
N544DNAIRBUS Airbus A321 Neo
→
10/3/2026
5h 33m
No alerts
Replay Analysis
N550DNAIRBUS Airbus A321 Neo
→
10/2/2026
5h 18m
No alerts
Replay Analysis
N515DEAIRBUS Airbus A321 Neo
→
10/1/2026
6h 26m
No alerts
Replay Analysis
N515DEAIRBUS Airbus A321 Neo
→
9/30/2026
5h 37m
No alerts
Replay Analysis
N519DTAIRBUS Airbus A321 Neo
→
9/29/2026
5h 43m
No alerts
Replay Analysis
N524DEAIRBUS Airbus A321 Neo
→
9/28/2026
5h 48m
No alerts
Replay Analysis
N531DAAIRBUS Airbus A321 Neo
→
9/26/2026
5h 44m
No alerts
Replay Analysis
N533DTAIRBUS Airbus A321 Neo
→
9/24/2026
6h 4m
No alerts
Replay Analysis
N531DAAIRBUS Airbus A321 Neo
→
9/23/2026
6h 1m
No alerts
Replay Analysis
N525DAAIRBUS Airbus A321 Neo
→
9/22/2026
5h 40m
No alerts
Replay Analysis
N607DNAIRBUS Airbus A321 Neo
→
9/21/2026
5h 24m
No alerts
Replay Analysis
N547DEAIRBUS Airbus A321 Neo
→
9/20/2026
5h 34m
No alerts
Replay Analysis
N503DZAIRBUS Airbus A321 Neo
→
9/19/2026
5h 20m
No alerts
Replay Analysis
N610DN
→
9/18/2026
5h 30m
No alerts
Replay Analysis
N527DEAIRBUS Airbus A321 Neo
→
9/17/2026
5h 26m
No alerts
Replay Analysis
N526DEAIRBUS Airbus A321 Neo
→
9/16/2026
5h 25m
No alerts
Replay Analysis
N538DNAIRBUS Airbus A321 Neo
→
9/15/2026
5h 21m
No alerts
Replay Analysis
N529DTAIRBUS Airbus A321 Neo
→
9/14/2026
6h 4m
No alerts
Replay Analysis
N526DEAIRBUS Airbus A321 Neo
→
9/12/2026
5h 29m
No alerts
Replay Analysis
N520DEAIRBUS Airbus A321 Neo
→
9/11/2026
5h 22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window