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Southwest Airlines

Is WN3556 delayed?

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

Arrived

41 min early

Official source · Updated

Departure

San Francisco

SFO

Actual

Scheduled 00:03

Sep 15

Arrival

Chicago

MDW

Actual

Scheduled 10:44

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual
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.

Recent arrivals

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

  • SFO → MDW

    41 min early

  • SFO → MDW

    21 min early

  • SFO → MDW

    7 min early

  • SFO → MDW

    30 min early

  • SFO → MDW

    3 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
24
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

WN3556 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedSan FranciscoChicago
View this flight’s market
-41
Sep 15, 2026ArrivedSan FranciscoChicago
-21
Sep 14, 2026ArrivedSan FranciscoChicago
-7
Sep 13, 2026ArrivedSan FranciscoChicago
-30
Sep 12, 2026ArrivedSan FranciscoChicago
-3
Sep 11, 2026ArrivedSan FranciscoChicago
-6
Sep 10, 2026ArrivedSan FranciscoChicago
-5
Sep 9, 2026ArrivedSan FranciscoChicago
-16
Sep 8, 2026ArrivedSan FranciscoChicago
0
Sep 5, 2026ArrivedSan FranciscoChicago
-28
Sep 4, 2026ArrivedSan FranciscoChicago
27
Sep 3, 2026ArrivedSan FranciscoChicago
49
Sep 2, 2026ArrivedSan FranciscoChicago
-24
Sep 1, 2026ArrivedSan FranciscoChicago
-38
Aug 31, 2026ArrivedSan FranciscoChicago
-13
Aug 30, 2026ArrivedSan FranciscoChicago
-14
Aug 29, 2026ArrivedSan FranciscoChicago
-17
Aug 28, 2026ArrivedSan FranciscoChicago
-15
Aug 27, 2026ArrivedSan FranciscoChicago
-11
Aug 26, 2026ArrivedSan FranciscoChicago
-9
Aug 25, 2026ArrivedSan FranciscoChicago
-14
Aug 24, 2026ArrivedSan FranciscoChicago
-28
Aug 23, 2026ArrivedSan FranciscoChicago
-1

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