JAX → STLJacksonville to St Louis

live

Direct flights from Jacksonville (JAX) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. 89% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 17 minutes early. No cancellations were recorded across the 9 tracked flights. The nonstop covers 1,213 km, an estimated 2 hours 3 minutes in the air. Measured by Pro Flight Search from live flight boards at Jacksonville and St Louis. Updated 14 September 2026 at 03:18 UTC.

JAX Jacksonville disrupted · +76
STL St Louis busy · +26
1,213 km · ~2h 03m est.
dep bank 06:15–18:507x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
89% on time

of the last 9 operated JAX → STL flights arrived within 15 minutes

Median arrival delay is −17 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 minacross the last 9 operated legs
Flight time~2h 03mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN89% on time

Flights WN753 06:15 Tu We · WN4975 06:40 Sa · WN2792 12:25 Sa · WN2535 14:00 Mo Th Fr

History

operated legs · board outcomes
09-13WN1323dep +50 → arr+31
09-13WN1686dep +11 → arr−17
09-12WN2792dep +8 → arr−17
09-12WN4975dep +5 → arr−17
09-11WN2535dep +6 → arr−18
09-10WN2535dep +27 → arr−6
09-09WN753dep +9 → arr−26
09-08WN753dep +13 → arr−17
09-07WN2535dep +14 → arr−5

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
JAXJacksonville +76 min disrupted 🌤 scattered clouds · SSW 3 kt Full JAX delay board →
STLSt Louis +26 min busy 🌤 clear · NE 5 kt Full STL delay board →

Weather lens

Current conditions put the pressure at JAX: 47% odds of a 15+ minute delay and around +11 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Jacksonville to St Louis route actually runs

Pro Flight Search records official board updates for nonstop JAX to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Jacksonville (JAX) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/JAX-STL
How we measure this →

JAX to STL questions

Is JAX–STL running on time right now?

High disruption likely. The departure side at JAX is the weaker end, route health score 33/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on JAX–STL?

Operators schedule morning departures around 06:15 from JAX. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from JAX to STL?

Great-circle distance is 1,213 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 116–134 min gate-to-gate on this route.

How often does JAX–STL fly?

Southwest Airlines runs the route with about 8 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.