WN 1644 — Sarasota/Bradenton to St Louis
WN 1644 Schedule
Southwest Airlines flies SRQ to STL 3 days a week (Tue Wed Sun). Scheduled block time is 2h 35m. Typically a Boeing 737-800.
Boeing 737-800 (738)
Scheduled equipment: Boeing 737-800. Boeing-built. Registration, build year, and photo fill in the moment the aircraft broadcasts.
SRQ to STL
Southwest Airlines is the only nonstop operator on this route. Compare schedules, codeshares, and on-time performance across every operator on the full route page.
WN 1644 Flight Path
Cruise altitude, ground speed, and vertical rate from ADS-B broadcasts. The altitude profile fills in while WN 1644 is airborne, capturing climbs, step-climbs, and descents in real time.
Flight path chart appears once WN 1644 is airborne and broadcasting.
Frequently Asked Questions
If a plane icon is moving on the map, yes. That's ADS-B, the aircraft's own GPS position broadcast, updated every few seconds. No icon means the flight isn't airborne at the moment: either before pushback, already landed, or a day it doesn't operate.
Scheduled equipment is the 738. The live tracker shows the actual tail and registration when WN 1644 is airborne. Carriers swap aircraft often enough that you'll sometimes see a different airframe than the scheduled type.
Tue Wed Sun. 3 days a week. On days outside that pattern this page will show the schedule but no live aircraft.
Scheduled 2h 35m gate to gate from SRQ to STL. Actual air time varies with winds and ATC routing. Tailwinds can shave 15 to 20 minutes on long segments.
GPS-accurate via ADS-B. Typically within 30 meters horizontally, updated every 5 to 10 seconds. If the broadcast drops over oceans or mountainous terrain, the map holds the last-known position and the label changes to reflect the signal gap.
A projection from current position, groundspeed, and remaining distance. It doesn't account for descent procedures, holding, or ATC vectoring near the destination. Trust it within plus or minus 10 minutes once the flight is past the halfway mark.