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Southwest Airlines

Is WN556 delayed?

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

Arrived

42 min late

Official source · Updated

Departure

Las Vegas

LAS

Actual

Scheduled 13:12

Sep 20

Arrival

St Louis

STL

Actual

Scheduled 23:04

Sep 20

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
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.

  • LAS → STL

    42 min late

  • SJC → DEN

    12 min early

  • BUR → SJC

    5 min early

  • LAS → MDW

    40 min late

  • LAS → MDW

    12 min early
Flight history and details

Aug 22, 2026 — Sep 21, 2026

Observed arrivals
26
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
26

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

WN556 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 20, 2026ArrivedLas VegasSt Louis
View this flight’s market
42
Sep 19, 2026ArrivedSan JoseDenver
-12
Sep 19, 2026ArrivedBurbankSan Jose
-5
Sep 18, 2026ArrivedLas VegasChicago
40
Sep 17, 2026ArrivedLas VegasChicago
-12
Sep 16, 2026ArrivedLas VegasSt Louis
30
Sep 14, 2026ArrivedLas VegasChicago
-9
Sep 13, 2026ArrivedLas VegasSt Louis
2
Sep 11, 2026ArrivedLas VegasChicago
-12
Sep 10, 2026ArrivedLas VegasChicago
-19
Sep 8, 2026ArrivedLas VegasSt Louis
4
Sep 7, 2026ArrivedLas VegasChicago
-18
Sep 5, 2026ArrivedSan JoseDenver
-2
Sep 5, 2026ArrivedBurbankSan Jose
-24
Sep 4, 2026ArrivedLas VegasChicago
-2
Sep 3, 2026ArrivedLas VegasChicago
31
Sep 2, 2026ArrivedLas VegasSt Louis
-31
Sep 1, 2026ArrivedLas VegasSt Louis
-18
Aug 31, 2026ArrivedLas VegasChicago
37
Aug 30, 2026ArrivedLas VegasSt Louis
-9
Aug 28, 2026ArrivedLas VegasChicago
58
Aug 27, 2026ArrivedLas VegasChicago
112
Aug 26, 2026ArrivedLas VegasSt Louis
11
Aug 25, 2026ArrivedLas VegasSt Louis
-21
Aug 24, 2026ArrivedLas VegasChicago
34
Aug 23, 2026ArrivedLas VegasSt Louis
-5

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