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Delta Air Lines

Is DL3988 delayed?

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

Arrived

9 min early

Updated

Departure

Detroit

DTW

Actual

Scheduled 21:50

Aug 28

Arrival

Dulles

IAD

Actual

Scheduled 23:26

Aug 28

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Detroit → DullesDTWIAD
Route overview

Recent arrivals

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

  • DTW → IAD

    13 min late

  • DTW → IAD

    2 min late

  • DTW → IAD

    33 min late

  • DTW → IAD

    9 min late

  • DTW → IAD

    1 min late
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
16
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
25

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

DL3988 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedDetroitDulles
View this flight’s market
13
Sep 14, 2026ArrivedDetroitDulles
2
Sep 13, 2026ArrivedDetroitDulles
33
Sep 12, 2026ArrivedDetroitDulles
9
Sep 11, 2026ArrivedDetroitDulles
1
Sep 10, 2026ArrivedDetroitDulles
9
Sep 9, 2026ArrivedDetroitDulles
24
Sep 8, 2026ArrivedDetroitDulles
14
Sep 7, 2026ArrivedDetroitDulles
25
Sep 6, 2026ArrivedDetroitDulles
23
Sep 5, 2026ArrivedDetroitDulles
-28
Sep 4, 2026ArrivedDetroitDulles
17
Sep 1, 2026ArrivedDetroitDulles
-21
Aug 28, 2026ArrivedDetroitDulles
-9
Aug 27, 2026ArrivedDetroitDulles
-12
Aug 23, 2026ArrivedDetroitDulles
37

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