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WN3959

SMF → PHX · Boeing 737 MAX 8 · Southwest Airlines

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Arrival · Phoenix (PHX)

Terminal 4 · Gate C8
Scheduled 07:00 · Estimated 06:59
Board status: On Time
In the air, ~4m to go (98% of the route flown)

Board data from phx, updated 33 min ago; times local to each airport.

Flight

Status
In progress
Departure
Sacramento International Airport (SMF) — Sacramento, United States
Departed
2026-10-02 12:23 UTC
Arrival
Phoenix Sky Harbor International Airport (PHX) — Phoenix, United States (scheduled)
Scheduled arrival
2026-10-02 14:00 UTC
Estimated arrival
2026-10-02 13:59 UTC
Progress
98% · ~4m remaining
Distance flown
1082 km
Straight-line distance
1040 km

Aircraft

Registration
N8937Q
Type
Boeing 737 MAX 8
Seats
175 total (175 Economy)
CO2 (EMEP est., total)
24.9 t (142 kg/pax Economy)

Altitude & speed

Max altitude
37,000 ft
Max ground speed
524 kt
Tracked
1h 19m · 1,082 km
Note
still in progress - the track so far
Altitude (ft, max 37,000)
019,98039,9600m30m1h 0m
Ground speed (kt, max 524)
02835660m30m1h 0m
Altitude (ft, max 37,000)
019,98039,9600m1h 0m
Ground speed (kt, max 524)
02835660m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Southwest Airlines (SWA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 12:23 UTC SWA3959 SMF → PHX
Sacramento → Phoenix
 N8937Q Boeing 737 MAX 8 In progress ~1040 km est.
2026-10-01 12:20 UTC SWA3959 SMF → PHX
Sacramento → Phoenix
 N8853Q Boeing 737 MAX 8 Completed 1119 km
2026-09-30 17:34 UTC SWA3959 TUL → HOU
Tulsa → Houston
 N8807L Boeing 737 MAX 8 Completed (landing confirmed by airport data) 802 km
2026-09-29 17:22 UTC SWA3959 TUL → HOU
Tulsa → Houston
 N8643A Boeing 737-800 Completed (landing presumed) 825 km

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