Live tracking not available yet
DL977 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
SFO
San Francisco International Airport
San Francisco
T1 Gate C6 Scheduled 12:49 PM
Actual 1:13 PM
BOS
Boston Logan International Airport
Boston
TA Gate A13 Scheduled 9:28 PM
Actual 9:01 PM
Baggage claim 3
5h 39m flight time
Daily
Recent Flights
Last 2 observedMar 13
Fri
BOS
SFO
Dep 07:45:00
(actual 08:02:00)
21N
Boarding
Mar 12
Thu
BOS
SFO
Dep 07:45:00
(actual 08:06:00)
21N
In Air
Schedule
Operates
Daily
Departure
12:49 PM
Arrival
9:28 PM
Duration
5h 39m
Aircraft
A21N
Terminal
T1
TA
Gate
C6
A13
Actual
13:13
21:01
Baggage
Carousel 3
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Wed, Mar 18
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Schedule valid
Mar 13 —
Jun 14, 2026