STL → CMHSt Louis to Columbus

live

Direct flights from St Louis (STL) to Columbus (CMH): 7 nonstop departures observed each week across 1 airline. 87% of the last 15 operated flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. No cancellations were recorded across the 15 tracked flights. The nonstop covers 657 km, an estimated 1 hour 21 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Columbus. Updated 28 October 2026 at 03:18 UTC.

STL St Louis smooth · +0
CMH Columbus smooth · +0
657 km · ~1h 21m est.
dep bank 10:05–19:557x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
87% on time

of the last 15 operated STL → CMH flights arrived within 15 minutes

Median arrival delay is −6 min. 0 of 15 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−6 minacross the last 15 operated legs
Flight time~1h 21mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 15

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 AirlinesWN92% on time

Flights WN1260 10:05 Sa · WN3094 10:15 Su · WN1228 10:20 Tu We · WN4590 10:25 Mo Th Fr

History

operated legs · board outcomes
10-27WN1228dep +13 → arr−12
10-27WN333dep +12 → arr−14
10-26WN264dep +21 → arr−6
10-26WN4590dep +14 → arr−7
10-251I919dep +16 → arr+21
10-25WN3094dep +57 → arr+34
10-25WN431dep +12 → arr−13
10-24CNS235dep −23 → arr−14
10-24WN1260dep +13 → arr−10
10-23WN264departed+13
10-23WN4590dep +11 → arr−9
10-22WN264departed+15
10-22WN4590dep +6 → arr−4
10-21WN1228departed+12
10-21WN333departed+1

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
STLSt Louis +0 min smooth 🌤 clear · SSW 3 kt Full STL delay board →
CMHColumbus +0 min smooth 🌤 mostly cloudy · N 0 kt Full CMH delay board →

Weather lens

Current conditions put the pressure at STL: 40% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Columbus route actually runs

Pro Flight Search records official board updates for nonstop STL to CMH 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 — St Louis (STL) to Columbus (CMH) route reliability, measured from operated flights on official airport boards.

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

STL to CMH questions

Is STL–CMH running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–CMH?

Operators schedule morning departures around 10:05 and evening departures around 18:35 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CMH delay card to confirm conditions when you'd arrive.

How long is the flight from STL to CMH?

Great-circle distance is 657 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 76–86 min gate-to-gate on this route.

How often does STL–CMH fly?

Southwest Airlines runs the route with about 13 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.