DAL399 is operated by UMB BANK NA TRUSTEE between General Edward Lawrence Logan International Airport (KBOS) and Hartsfield Jackson Atlanta International Airport (KATL). The flight is most often flown by a AIRBUS Airbus A321. Typical block time is 2h 20m. SkyMeter has observed 36 legs of this flight number via ADS-B.

✈
FLIGHTS
36
last 90 days
⏱
AVG DURATION
2h 20m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 2
city pairs · airframes
⚠
INCIDENT RATE
2.8%
1 flagged

Routes flown

By count · last 90 days

3
KBOS → KATL
28
avg 2h 36m · General Edward Lawrence Logan → Hartsfield Jackson Atlanta
25GA → KATL
1
avg 26m · Miller Farm → Hartsfield Jackson Atlanta
KCLT → KATL
1
avg 50m · Charlotte Douglas → Hartsfield Jackson Atlanta

Aircraft types

Equipment used on this number

2
A321 AIRBUS Airbus A321
38
A21N AIRBUS Airbus A321 Neo
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
Rejected TO
1
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 DAL399

30
N335DNAIRBUS Airbus A321
→
06/03/2026
2h 40m
No alerts
Replay Analysis
N357DNAIRBUS Airbus A321
→
06/02/2026
2h 27m
No alerts
Replay Analysis
N365DNAIRBUS Airbus A321
→
06/01/2026
2h 28m
No alerts
Replay Analysis
N306DNAIRBUS Airbus A321
→
05/31/2026
2h 43m
No alerts
Replay Analysis
N337DNAIRBUS Airbus A321
→
05/29/2026
2h 46m
No alerts
Replay Analysis
N343DNAIRBUS Airbus A321
→
05/28/2026
9m
✕ Rejected TO
Replay Analysis
N343DNAIRBUS Airbus A321
→
05/28/2026
2h 16m
No alerts
Replay Analysis
N601DTAIRBUS Airbus A321 Neo
→
05/26/2026
3h 13m
No alerts
Replay Analysis
N365DNAIRBUS Airbus A321
→
05/26/2026
1h 29m
No alerts
Replay Analysis
N365DNAIRBUS Airbus A321
→
05/25/2026
1h 16m
No alerts
Replay Analysis
N365DNAIRBUS Airbus A321
→
05/25/2026
2h 45m
No alerts
Replay Analysis
N346DNAIRBUS Airbus A321
→
05/25/2026
49m
No alerts
Replay Analysis
N346DNAIRBUS Airbus A321
→
05/24/2026
3h 22m
No alerts
Replay Analysis
N382DNAIRBUS Airbus A321
→
05/23/2026
2h 35m
No alerts
Replay Analysis
N354DNAIRBUS Airbus A321
→
05/23/2026
50m
No alerts
Replay Analysis
N354DNAIRBUS Airbus A321
→
05/22/2026
46m
No alerts
Replay Analysis
N315DNAIRBUS Airbus A321
→
05/21/2026
2h 32m
No alerts
Replay Analysis
N310DNAIRBUS Airbus A321
→
05/20/2026
2h 42m
No alerts
Replay Analysis
N356DNAIRBUS Airbus A321
→
05/18/2026
2h 23m
No alerts
Replay Analysis
N313DNAIRBUS Airbus A321
→
05/17/2026
2h 40m
No alerts
Replay Analysis
N341DNAIRBUS Airbus A321
→
05/16/2026
2h 33m
No alerts
Replay Analysis
N364DXAIRBUS Airbus A321
→
05/15/2026
2h 30m
No alerts
Replay Analysis
N307DXAIRBUS Airbus A321
→
05/14/2026
2h 24m
No alerts
Replay Analysis
N321DHAIRBUS Airbus A321
→
05/13/2026
2h 38m
No alerts
Replay Analysis
N329DNAIRBUS Airbus A321
→
05/13/2026
26m
No alerts
Replay Analysis
N344DNAIRBUS Airbus A321
→
05/11/2026
2h 32m
No alerts
Replay Analysis
N345DNAIRBUS Airbus A321
→
05/10/2026
2h 49m
No alerts
Replay Analysis
N349DXAIRBUS Airbus A321
→
05/08/2026
2h 43m
No alerts
Replay Analysis
N354DNAIRBUS Airbus A321
→
05/07/2026
2h 38m
No alerts
Replay Analysis
N354DNAIRBUS Airbus A321
→
05/04/2026
2h 12m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window