DAL977 is operated by DELTA AIR LINES INC between General Edward Lawrence Logan International Airport (KBOS) and San Francisco International Airport (KSFO). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 4h 56m. SkyMeter has observed 77 legs of this flight number via ADS-B.

FLIGHTS
77
last 90 days
AVG DURATION
4h 56m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
INCIDENT RATE
2.6%
2 flagged

Routes flown

By count · last 90 days

4
27
avg 6h 23m · General Edward Lawrence Logan → San Francisco
21
avg 5h 43m · San Francisco → General Edward Lawrence Logan
avg 8m · Ravenswood Substation Helipad → San Francisco
1
avg 6h 32m · General Edward Lawrence Logan → Mansfield

Aircraft types

Equipment used on this number

1

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 DAL977

30
06/02/2026
1h 25m
No alerts
06/01/2026
4h 4m
No alerts
06/01/2026
5h 29m
No alerts
06/01/2026
6h 38m
No alerts
05/28/2026
6h 13m
△ Unstable
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window