Southwest Airlines

Is WN4331 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: Sep 15, 2026 · Scheduled departure date (UTC)

Arrived

15 min late

Official source · Updated Sep 15, 2026, 05:32 UTC

Departure

Oakland

OAK

Actual

03:36~~03:08~~

Sep 15

Arrival

Denver

DEN

Actual

23:32~~23:17~~

Sep 14

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 15, 2026, 03:08 UTC
Estimated: Not available
Actual: Sep 15, 2026, 03:36 UTC

Arrival · UTC

Scheduled: Sep 15, 2026, 05:17 UTC
Estimated: Not available
Actual: Sep 15, 2026, 05:32 UTC

Service date: Sep 15, 2026 · Scheduled departure date (UTC)

Arrived

40 min late

Official source · Updated Sep 15, 2026, 02:40 UTC

Departure

Portland

PDX

Actual

01:21~~00:33~~

Sep 15

Arrival

Oakland

OAK

Actual

02:39~~01:59~~

Sep 15

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 15, 2026, 00:33 UTC
Estimated: Not available
Actual: Sep 15, 2026, 01:21 UTC

Arrival · UTC

Scheduled: Sep 15, 2026, 01:59 UTC
Estimated: Not available
Actual: Sep 15, 2026, 02:39 UTC

OAKDEN

PDXOAK

Recent arrivals

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

Mon, Sep 14, 2026
OAK → DEN
15 min late
Tue, Sep 15, 2026
PDX → OAK
40 min late
Sun, Sep 13, 2026
PDX → OAK
33 min late
Fri, Sep 11, 2026
OAK → DEN
8 min early
Sat, Sep 12, 2026
PDX → OAK
18 min late

Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals: 13
Arrivals over 15 minutes late: 8
Observed cancellations: 0
Observed occurrences: 13

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

WN4331 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 15, 2026Arrived	Oakland	Denver	Sep 15, 2026, 05:32 UTC	15
Sep 15, 2026Arrived	Portland	Oakland	Sep 15, 2026, 02:39 UTC	40
Sep 13, 2026Arrived	Portland	Oakland	Sep 13, 2026, 02:16 UTC	33
Sep 12, 2026Arrived	Oakland	Denver	Sep 12, 2026, 04:58 UTC	-8
Sep 12, 2026Arrived	Portland	Oakland	Sep 12, 2026, 02:12 UTC	18
Sep 11, 2026Arrived	Oakland	Denver	Sep 11, 2026, 05:12 UTC	-23
Sep 11, 2026Arrived	Portland	Oakland	Sep 11, 2026, 02:21 UTC	-6
Sep 8, 2026Arrived	Oakland	Denver	Sep 8, 2026, 05:40 UTC	46
Sep 8, 2026Arrived	Portland	Oakland	Sep 8, 2026, 02:30 UTC	42
Sep 6, 2026Arrived	Dallas	Philadelphia	Sep 7, 2026, 00:09 UTC	4
Sep 6, 2026Arrived	Portland	Oakland	Sep 6, 2026, 02:03 UTC	20
Sep 5, 2026Arrived	Oakland	Denver	Sep 5, 2026, 05:00 UTC	-1
Sep 5, 2026Arrived	Portland	Oakland	Sep 5, 2026, 02:12 UTC	19