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Delta Air Lines

Is DL1731 delayed?

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

Arrived

34 min early

Updated

Departure

Denver

DEN

Actual

Scheduled 06:20

Aug 24

Arrival

Seattle

SEA

Actual

Scheduled 08:19

Aug 24

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Denver → SeattleDENSEA
Route overview

Recent arrivals

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

  • DEN → SEA

    25 min early

  • DEN → SEA

    23 min early

  • DEN → SEA

    21 min early

  • DEN → SEA

    8 min early

  • DEN → SEA

    8 min early
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
27
Arrivals over 15 minutes late
2
Observed cancellations
0
Observed occurrences
29

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

DL1731 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedDenverSeattle
View this flight’s market
-25
Sep 16, 2026ArrivedDenverSeattle
-23
Sep 15, 2026ArrivedDenverSeattle
-21
Sep 14, 2026ArrivedDenverSeattle
-8
Sep 13, 2026ArrivedDenverSeattle
-8
Sep 12, 2026ArrivedDenverSeattle
-19
Sep 11, 2026ArrivedDenverSeattle
-2
Sep 10, 2026ArrivedDenverSeattle
-14
Sep 9, 2026ArrivedDenverSeattle
-18
Sep 8, 2026ArrivedDenverSeattle
-15
Sep 7, 2026ArrivedDenverSeattle
-16
Sep 6, 2026ArrivedDenverSeattle
-22
Sep 5, 2026ArrivedDenverSeattle
-20
Sep 4, 2026ArrivedDenverSeattle
-21
Sep 3, 2026ArrivedDenverSeattle
-15
Sep 1, 2026ArrivedDenverSeattle
-37
Aug 31, 2026ArrivedDenverSeattle
-31
Aug 30, 2026ArrivedDenverSeattle
-23
Aug 29, 2026ArrivedDenverSeattle
41
Aug 28, 2026ArrivedDenverSeattle
80
Aug 27, 2026ArrivedDenverSeattle
-29
Aug 26, 2026ArrivedDenverSeattle
-38
Aug 25, 2026ArrivedDenverSeattle
-25
Aug 24, 2026ArrivedDenverSeattle
-34
Aug 23, 2026ArrivedDenverSeattle
-27
Aug 21, 2026ArrivedDenverSeattle
-21
Aug 20, 2026ArrivedDenverSeattle
-32

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