Flight

SWA3840 12 Sep 2026

SWA3840, operated by Southwest Airlines, on 12 Sep 2026: Sacramento International (KSMF) to Mc Carran International (KLAS), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 11 Sep 2026All SWA3840 flights13 Sep 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKSMF SACRAMENTO INTERNATIONAL → KLAS MC CARRAN INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne17:34 PDT 11 Sep
Last seen18:38 PDT 11 Sep
Duration1h 03m
AircraftAC34BF
Max altitude31,650 ft
Distance tracked344 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteRoute not recorded
StatusCompleted (receiver network)
First seen airborne02:27Z
Last seen03:26Z
Duration0h 58m
AircraftAC34BF
Max altitude39,000 ft

Punctuality, last 30 days

Flights4
On time1 (25%)
Average delay+62 min
Worst delay+149 min

In the last 30 days SWA3840 departed on time (within 15 minutes) on 1 of 4 flights (25%), with an average departure delay of +62 min and a worst delay of +149 min.

SWA3840 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.