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Delta Air Lines

Is DL474 delayed?

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

Arrived

4 min late

Updated

Departure

Seattle

SEA

Actual

Scheduled 15:59

Aug 25

Arrival

Boston

BOS

Actual

Scheduled 00:17

Aug 26

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Seattle → BostonSEABOS
Route overview

Recent arrivals

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

  • SEA → BOS

    8 min early

  • SEA → BOS

    9 min late

  • SEA → BOS

    7 min late

  • SEA → BOS

    <1 min early

  • SEA → BOS

    4 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
15
Arrivals over 15 minutes late
3
Observed cancellations
2
Observed occurrences
19

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

DL474 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedSeattleBoston
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-8
Sep 14, 2026ArrivedSeattleBoston
9
Sep 13, 2026ArrivedSeattleBoston
7
Sep 7, 2026ArrivedSeattleBoston
0
Sep 4, 2026ArrivedSeattleBoston
-4
Sep 3, 2026ArrivedSeattleBoston
83
Sep 2, 2026CancelledSeattleBostonNot available
Not available
Aug 29, 2026CancelledSeattleBostonNot available
Not available
Aug 28, 2026ArrivedSeattleBoston
-15
Aug 27, 2026ArrivedSeattleBoston
-6
Aug 26, 2026ArrivedSeattleBoston
-3
Aug 26, 2026ArrivedSeattleBoston
-6
Aug 25, 2026ArrivedSeattleBoston
4
Aug 24, 2026ArrivedSeattleBoston
22
Aug 23, 2026ArrivedSeattleBoston
38
Aug 19, 2026ArrivedSeattleBoston
-17
Aug 18, 2026ArrivedSeattleBoston
-24

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