Follow Flight DL977 from San Francisco, CA to Boston, MA on AirNav Radar

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Flight info

Airline/Operator

Delta Air Lines

Duration

04h35m

Distance

4342 km

Operation Days

Sun

Mon

Tue

Wed

Thu

Fri

Sat

Departure Gate

Arrival Gate

A18

Departure Terminal

Arrival Terminal

Departure Taxi Time

42m

Arrival Taxi Time

ATC Route

KSFO.TRUKN2.TIPRE.Q126.GAROT..MTU.J157.BFF..ANW..TEYOU..KP81G..KP81I..KG81K..HOMNY..KG81O..SLLAP..HOCKE..WOZEE.Q935.PONCT.JFUND2.KBOS/0309

Position Info

Latitude

Longitude

Altitude

Ground Speed

Wind

Air Temperature

Vertical Speed

Heading

Squawk

Source

Station

FIR

Aircraft Info

Aircraft Model

Airbus A321-271NX

Registration

N529DT

Mode-S

A6AABA

Serial Number

11277

Aircraft Age

Owner

Last Activity

2 minutes ago

Last Known Location

In flight - Near Seattle, WA, United States

Last Flight

Boston, MA, United States (BOS / KBOS) - (SEA / KSEA) Seattle, WA, United States, In 8 minutes

Aircraft Type

Nr. Engines

Nr. Seats

Weight Class

Cruising Speed

Engine

Engine Type

Aircraft Category

Registrant Type

Airworthiness Class

Operation Types

Certificate Issue Date

Registration Status

Flight Activity

Future
13 Feb
DL977
SCHEDULED IN 1d
21:00
San Francisco, CA (SFO)
02:35
Boston, MA (BOS)
05h35m
A21N
4342 km
13 Feb
DL977
EST. DEPART IN 17h 56m
12:45
Boston, MA (BOS)
19:25
San Francisco, CA (SFO)
06h40m
N528DE (A21N)
4342 km
Estimated
12:45
In 18 hours
Estimated
19:25
In 1 day
12 Feb
DL977
EST. DEPART IN 2h 11m
21:00
San Francisco, CA (SFO)
02:29
Boston, MA (BOS)
05h29m
N528DE (A21N)
4342 km
Estimated
21:00
In 2 hours
Estimated
02:29
In 8 hours
Current
12 Feb
DL977
LANDING IN 11m
12:39
Boston, MA (BOS)
19:08
San Francisco, CA (SFO)
07h02m
N528DE (A21N)
4342 km
Departed
12:39
6 hours ago
Estimated
19:08
In 11 minutes
Past
11 Feb
DL977
LANDED 16h 39m AGO
21:00
San Francisco, CA (SFO)
02:09
Boston, MA (BOS)
04h38m
N514DE (A21N)
4342 km
Departed
21:00
22 hours ago
Arrived
02:09
17 hours ago
11 Feb
DL977
LANDED 22h 53m AGO
12:44
Boston, MA (BOS)
19:55
San Francisco, CA (SFO)
06h19m
N514DE (A21N)
4342 km
Departed
12:44
1 day ago
Arrived
19:55
23 hours ago
10 Feb
DL977
LANDED 1d AGO
21:55
San Francisco, CA (SFO)
03:21
Boston, MA (BOS)
04h35m
N529DT (A21N)
4342 km
Departed
21:55
2 days ago
Arrived
03:21
2 days ago
10 Feb
DL977
LANDED 1d AGO
13:46
Boston, MA (BOS)
20:53
San Francisco, CA (SFO)
06h33m
N529DT (A21N)
4342 km
Departed
13:46
2 days ago
Arrived
20:53
2 days ago
9 Feb
DL977
LANDED 2d AGO
21:15
San Francisco, CA (SFO)
02:34
Boston, MA (BOS)
04h51m
N512DE (A21N)
4342 km
Departed
21:15
3 days ago
Arrived
02:34
3 days ago
9 Feb
DL977
LANDED 2d AGO
12:39
Boston, MA (BOS)
20:01
San Francisco, CA (SFO)
06h44m
N512DE (A21N)
4342 km
Departed
12:39
3 days ago
Arrived
20:01
3 days ago
6 Feb
DL977
LANDED 5d AGO
20:54
San Francisco, CA (SFO)
02:18
Boston, MA (BOS)
05h08m
N548DN (A21N)
4342 km
Departed
20:54
6 days ago
Arrived
02:18
6 days ago
6 Feb
DL977
LANDED 5d AGO
12:57
Boston, MA (BOS)
19:21
San Francisco, CA (SFO)
05h56m
N548DN (A21N)
4342 km
Departed
12:57
6 days ago
Arrived
19:21
6 days ago
5 Feb
DL977
LANDED 6d AGO
20:56
San Francisco, CA (SFO)
02:36
Boston, MA (BOS)
05h16m
N519DT (A21N)
4342 km
Departed
20:56
7 days ago
Arrived
02:36
7 days ago

Date	Origin	STD	ATD	Destination	STA	Aircraft	Status	Duration
Future
2026 Feb 13	San Francisco, CA (SFO/KSFO)	13:00 PST		Boston, MA (BOS/KBOS)	21:35 EST	A21N	Scheduled	05h35m
2026 Feb 13	Boston, MA (BOS/KBOS)	07:45 EST		San Francisco, CA (SFO/KSFO)	11:47 PST	A21N (N528DE)	Estimated	06h40m
2026 Feb 12	San Francisco, CA (SFO/KSFO)	13:00 PST		Boston, MA (BOS/KBOS)	21:35 EST	A21N (N528DE)	Estimated	05h29m

Current
2026 Feb 12	Boston, MA (BOS/KBOS)	07:45 EST	07:39 EST	San Francisco, CA (SFO/KSFO)	11:47 PST	A21N (N528DE)	Est. Arrival 11:08 PST	07h02m

Past
2026 Feb 11	San Francisco, CA (SFO/KSFO)	13:00 PST	13:00 PST	Boston, MA (BOS/KBOS)	21:37 EST	A21N (N514DE)	Landed 21:09 EST Time aircraft arrives at gate derived from company/airport information	04h38m
2026 Feb 11	Boston, MA (BOS/KBOS)	07:50 EST	07:44 EST	San Francisco, CA (SFO/KSFO)	11:50 PST	A21N (N514DE)	Landed 11:55 PST Time aircraft arrives at gate derived from company/airport information	06h19m
2026 Feb 10	San Francisco, CA (SFO/KSFO)	13:00 PST	13:55 PST	Boston, MA (BOS/KBOS)	21:37 EST	A21N (N529DT)	Landed 22:21 EST Time aircraft arrives at gate derived from company/airport information	04h35m
2026 Feb 10	Boston, MA (BOS/KBOS)	07:50 EST	08:46 EST	San Francisco, CA (SFO/KSFO)	11:50 PST	A21N (N529DT)	Landed 12:53 PST Time aircraft arrives at gate derived from company/airport information	06h33m
2026 Feb 9	San Francisco, CA (SFO/KSFO)	13:00 PST	13:15 PST	Boston, MA (BOS/KBOS)	21:37 EST	A21N (N512DE)	Landed 21:34 EST Time aircraft arrives at gate derived from company/airport information	04h51m
2026 Feb 9	Boston, MA (BOS/KBOS)	07:50 EST	07:39 EST	San Francisco, CA (SFO/KSFO)	11:50 PST	A21N (N512DE)	Landed 12:01 PST Time aircraft arrives at gate derived from company/airport information	06h44m
2026 Feb 6	San Francisco, CA (SFO/KSFO)	13:00 PST	12:54 PST	Boston, MA (BOS/KBOS)	21:37 EST	A21N (N548DN)	Landed 21:18 EST Landing time derived from ADS-B/Radar data	05h08m
2026 Feb 6	Boston, MA (BOS/KBOS)	07:50 EST	07:57 EST	San Francisco, CA (SFO/KSFO)	11:50 PST	A21N (N548DN)	Landed 11:21 PST Time aircraft arrives at gate derived from company/airport information	05h56m
2026 Feb 5	San Francisco, CA (SFO/KSFO)	13:00 PST	12:56 PST	Boston, MA (BOS/KBOS)	21:37 EST	A21N (N519DT)	Landed 21:36 EST Time aircraft arrives at gate derived from company/airport information	05h16m

Flight history for DL977 is available for a period over 7 days under our Basic subscription. More details here
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