JAX → STLJacksonville to St Louis

live

Direct flights from Jacksonville (JAX) to St Louis (STL): 9 nonstop departures observed each week across 1 airline. 100% of the last 10 tracked flights arrived within 15 minutes of schedule. The median arrival is 22 minutes early. No cancellations were recorded across the 10 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 29 October 2026 at 14:48 UTC.

Today, JAX → STL

Thu 29 Oct · local times
  1. 05:45 WN2221Southwest Left 05:44 Landed 06:27 −28

Checked JAX board 15:48 · STL board 15:18

JAX Jacksonville smooth · +14
STL St Louis smooth · +0
1,213 km · ~2h 03m est.
dep bank 05:45–19:159x weekly
Runs reliable · 1 airline · 9x weekly · nonstop
100% on time

of the last 10 tracked JAX → STL flights arrived within 15 minutes

Median arrival delay is −22 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−22 minacross the last 10 arrivals
Flight time~2h 03mestimated from route distance
Weekly departures9x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 10

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 AirlinesWN100% on time

Flights WN2221 varies daily · WN4299 11:50 Sa · WN862 19:15 Su

History

operated legs · board outcomes
10-29WN2221dep −1 → arr−28
10-28WN2221dep +8 → arr−23
10-27WN2221dep +10 → arr−25
10-26WN2221dep +9 → arr−22
10-25WN2221dep +0 → arr−27
10-25WN862dep +16 → arr−10
10-24WN2221dep +4 → arr−21
10-24WN4299dep +4 → arr−21
10-23WN2221dep +4 → arr−23
10-22WN2221dep +9 → arr−21

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 +14 min smooth 🌤 overcast · NNE 11 kt Full JAX delay board →
STLSt Louis +0 min smooth 🌤 mostly cloudy · WSW 6 kt Full STL delay board →

Weather lens

Conditions are tightest at JAX and STL: a 43% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +9 min. Both figures come from the two airports' delay records in similar weather. 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?

Smooth skies ahead. The departure side at JAX is the weaker end, route health score 91/100. 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 11:50 and evening departures around 19:15 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 9 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.