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Delta Air Lines

Is DL977 delayed?

DL977 is listed as cancelled on Sep 26. Over its last 53 recorded arrivals, 17 landed more than 15 min late.

Each route and date is shown separately. Confirm that both airports match your booking.

Last reported

Cancelled

This update may be out of date. Check with your airline.

Update time unavailable

Departure

San Francisco

SFO

Scheduled

Sep 26

Arrival

Boston

BOS

Scheduled

Sep 26

Times shown in airport local time

Service date: · Scheduled departure date (America/Los_Angeles)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Last reported

Cancelled

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Boston

BOS

Scheduled

Not available

Arrival

San Francisco

SFO

Estimated

Scheduled 11:04

Sep 26

Times shown in airport local time

Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Not available
Route overview: San Francisco → BostonSFOBOS
Route overview
Route overview: Boston → San FranciscoBOSSFO
Route overview

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • SFO → BOS

    On schedule (14 min behind)

  • BOS → SFO

    28 min early

  • SFO → BOS

    103 min late

  • BOS → SFO

    41 min early

  • SFO → BOS

    73 min late
Flight history and details

Aug 28, 2026 — Sep 27, 2026

Observed arrivals
53
Arrivals over 15 minutes late
17
Observed cancellations
2
Observed occurrences
59

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

DL977 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 26, 2026CancelledSan FranciscoBostonNot available
View this flight’s market
Not available
Sep 26, 2026CancelledBostonSan FranciscoNot available
Not available
Sep 25, 2026ArrivedSan FranciscoBoston
14
Sep 25, 2026ArrivedBostonSan Francisco
-28
Sep 24, 2026ArrivedSan FranciscoBoston
103
Sep 24, 2026ArrivedBostonSan Francisco
-41
Sep 23, 2026ArrivedSan FranciscoBoston
73
Sep 22, 2026ArrivedSan FranciscoBoston
21
Sep 22, 2026ArrivedBostonSan Francisco
7
Sep 21, 2026ArrivedSan FranciscoBoston
72
Sep 21, 2026ArrivedBostonSan Francisco
-1
Sep 20, 2026ArrivedSan FranciscoBoston
49
Sep 20, 2026ArrivedBostonSan Francisco
2
Sep 19, 2026ArrivedSan FranciscoBoston
2
Sep 19, 2026ArrivedBostonSan Francisco
-14
Sep 18, 2026ArrivedSan FranciscoBoston
22
Sep 18, 2026ArrivedBostonSan Francisco
-15
Sep 17, 2026ArrivedSan FranciscoBoston
171
Sep 17, 2026ArrivedBostonSan Francisco
-2
Sep 16, 2026ArrivedSan FranciscoBoston
65
Sep 16, 2026ArrivedBostonSan Francisco
-1
Sep 15, 2026ArrivedSan FranciscoBoston
21
Sep 15, 2026ArrivedBostonSan Francisco
-2
Sep 14, 2026ArrivedSan FranciscoBoston
54
Sep 14, 2026ArrivedBostonSan Francisco
-4
Sep 13, 2026ArrivedSan FranciscoBoston
109
Sep 13, 2026ArrivedBostonSan Francisco
-9
Sep 12, 2026ArrivedSan FranciscoBoston
-15
Sep 12, 2026ArrivedBostonSan Francisco
-7
Sep 11, 2026ArrivedSan FranciscoBoston
30
Sep 11, 2026ArrivedBostonSan Francisco
-18
Sep 10, 2026ArrivedSan FranciscoBoston
0
Sep 10, 2026ArrivedBostonSan Francisco
-12
Sep 9, 2026ArrivedSan FranciscoBoston
16
Sep 9, 2026ArrivedBostonSan Francisco
-9
Sep 8, 2026ArrivedSan FranciscoBoston
-2
Sep 8, 2026ArrivedBostonSan Francisco
-15
Sep 7, 2026ArrivedSan FranciscoBoston
-6
Sep 7, 2026ArrivedBostonSan Francisco
-35
Sep 6, 2026ArrivedSan FranciscoBoston
129
Sep 6, 2026ArrivedBostonSan Francisco
-4
Sep 5, 2026ArrivedSan FranciscoBoston
-20
Sep 5, 2026ArrivedBostonSan Francisco
-17
Sep 4, 2026ArrivedSan FranciscoBoston
25
Sep 4, 2026ArrivedBostonSan Francisco
34
Sep 3, 2026ArrivedSan FranciscoBoston
8
Sep 3, 2026ArrivedBostonSan Francisco
-9
Sep 2, 2026ArrivedSan FranciscoBoston
22
Sep 2, 2026ArrivedBostonSan Francisco
-4
Sep 1, 2026ArrivedBostonSan Francisco
-16
Aug 31, 2026ArrivedBostonSan Francisco
14
Aug 30, 2026ArrivedBostonSan Francisco
-2
Aug 29, 2026ArrivedBostonSan Francisco
-16
Aug 28, 2026ArrivedSan FranciscoBoston
-3
Aug 28, 2026ArrivedBostonSan Francisco
-27

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