Southwest Airlines

Is WN3729 delayed?

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

Service date: Sep 8, 2026 · Scheduled arrival date; departure time unavailable (America/Phoenix)

Arrived

12 min early

Official source · Updated Sep 9, 2026, 03:08 UTC

Departure

Sacramento

SMF

Scheduled

—

Not available

Arrival

Phoenix

PHX

Actual

20:03~~20:15~~

Sep 8

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Not available
Estimated: Not available
Actual: Not available

Arrival · UTC

Scheduled: Sep 9, 2026, 03:15 UTC
Estimated: Sep 9, 2026, 03:11 UTC
Actual: Sep 9, 2026, 03:03 UTC

Service date: Sep 8, 2026 · Scheduled departure date (UTC)

Arrived

20 min late

Official source · Updated Sep 8, 2026, 03:28 UTC

Departure

Sacramento

SMF

Actual

01:56~~01:27~~

Sep 8

Arrival

Phoenix

PHX

Actual

20:22~~20:02~~

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled: Sep 8, 2026, 01:27 UTC
Estimated: Not available
Actual: Sep 8, 2026, 01:56 UTC

Arrival · UTC

Scheduled: Sep 8, 2026, 03:02 UTC
Estimated: Sep 8, 2026, 03:33 UTC
Actual: Sep 8, 2026, 03:22 UTC

SMFPHX

Recent arrivals

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

Fri, Sep 18, 2026
SMF → PHX
10 min late
Thu, Sep 17, 2026
SMF → PHX
46 min late
Wed, Sep 16, 2026
SMF → PHX
14 min late
Tue, Sep 15, 2026
SMF → PHX
21 min early
Mon, Sep 14, 2026
SMF → PHX
28 min late

Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals: 14
Arrivals over 15 minutes late: 7
Observed cancellations: 0
Observed occurrences: 14

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

WN3729 Recent arrival history
Service date	Departure	Arrival	Actual	Arrival delay (minutes)
Sep 19, 2026Arrived	Sacramento	Phoenix	Sep 19, 2026, 03:12 UTC	10
Sep 17, 2026Arrived	Sacramento	Phoenix	Sep 18, 2026, 03:56 UTC	46
Sep 16, 2026Arrived	Sacramento	Phoenix	Sep 17, 2026, 03:29 UTC	14
Sep 16, 2026Arrived	Sacramento	Phoenix	Sep 16, 2026, 02:46 UTC	-21
Sep 14, 2026Arrived	Sacramento	Phoenix	Sep 15, 2026, 03:38 UTC	28
Sep 13, 2026Arrived	Sacramento	Phoenix	Sep 13, 2026, 23:59 UTC	-1
Sep 11, 2026Arrived	Sacramento	Phoenix	Sep 12, 2026, 03:21 UTC	11
Sep 10, 2026Arrived	Sacramento	Phoenix	Sep 11, 2026, 04:37 UTC	87
Sep 9, 2026Arrived	Sacramento	Phoenix	Sep 10, 2026, 03:42 UTC	27
Sep 8, 2026Arrived	Sacramento	Phoenix	Sep 9, 2026, 03:03 UTC	-12
Sep 8, 2026Arrived	Sacramento	Phoenix	Sep 8, 2026, 03:22 UTC	20
Sep 6, 2026Arrived	Sacramento	Phoenix	Sep 7, 2026, 00:57 UTC	72
Sep 4, 2026Arrived	Sacramento	Phoenix	Sep 5, 2026, 06:01 UTC	171
Sep 3, 2026Arrived	Sacramento	Phoenix	Sep 4, 2026, 03:14 UTC	4