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Delta Air Lines

Is DL4090 delayed?

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

Arrived

18 min early

Official source · Updated

Departure

Seattle

SEA

Actual

Scheduled 22:03

Sep 14

Arrival

Boise

BOI

Actual

Scheduled 06:02

Sep 15

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

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

  • SEA → BOI

    18 min early

  • SEA → BOI

    57 min late

  • SEA → BOI

    18 min late

  • MKE → MSP

    4 min late

  • MSP → MKE

    19 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
12
Arrivals over 15 minutes late
4
Observed cancellations
0
Observed occurrences
15

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

DL4090 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 14, 2026ArrivedSeattleBoise
-18
Sep 13, 2026ArrivedSeattleBoise
57
Sep 7, 2026ArrivedSeattleBoise
18
Sep 6, 2026ArrivedMilwaukeeMinneapolis
4
Sep 6, 2026ArrivedMinneapolisMilwaukee
-19
Sep 5, 2026ArrivedMilwaukeeMinneapolis
22
Sep 5, 2026ArrivedMinneapolisMilwaukee
44
Sep 4, 2026ArrivedSeattleBoise
3
Sep 3, 2026ArrivedSeattleBoise
11
Aug 29, 2026ArrivedMinneapolisMilwaukee
-30
Aug 24, 2026ArrivedSeattleBoise
-10
Aug 23, 2026ArrivedSeattleBoise
0

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