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Southwest Airlines

Is WN4840 delayed?

Yes — WN4840 landed in Portland 102 min late, at 00:47 on Sep 29 (as of Sep 29, 07:47 UTC).

Often late: arrived more than 15 min after schedule on 11 of the last 17 flights.

Arrived

102 min late

Official source · Updated

Departure

Chicago

MDW

Scheduled

Sep 28

Arrival

Portland

PDX

Actual

Scheduled 23:05

Sep 29

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

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.

  • Chicago → Portland

    102 min late

  • Savannah → Houston

    42 min late

  • Chicago → Portland

    On schedule (4 min behind)

  • Chicago → Portland

    On schedule (1 min behind)

  • Chicago → Portland

    65 min late

Is WN4840 usually late?

Observation window: Aug 31, 2026 – Sep 30, 2026

Observed arrivals
17
On time
35%
of 17 arrivals
Late
65%
of 17 arrivals
Cancelled
0%
of 17 flights
Median arrival delay
33 min
9 in 10 arrived within
100 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. 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

Related flights

Other flights KMDW → KPDX

Return flights KPDX → KMDW

All Southwest Airlines flights

Flight history and details
WN4840 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 28, 2026ArrivedChicagoPortland102
Sep 27, 2026ArrivedSavannahHouston42
Sep 26, 2026ArrivedChicagoPortland4
Sep 25, 2026ArrivedChicagoPortland1
Sep 24, 2026ArrivedChicagoPortland65
Sep 21, 2026ArrivedChicagoPortland11
Sep 20, 2026ArrivedSavannahHouston99
Sep 19, 2026ArrivedChicagoPortland39
Sep 18, 2026ArrivedChicagoPortland-13
Sep 17, 2026ArrivedChicagoPortland49
Sep 14, 2026ArrivedChicagoPortland16
Sep 12, 2026ArrivedChicagoPortland33
Sep 11, 2026ArrivedChicagoPortland64
Sep 10, 2026ArrivedChicagoPortland110
Sep 7, 2026ArrivedChicagoPortland2
Sep 5, 2026ArrivedChicagoPortland8
Sep 4, 2026ArrivedChicagoPortland20

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