STL → RDUSt Louis to Raleigh/Durham

live

Direct flights from St Louis (STL) to Raleigh/Durham (RDU): 7 nonstop departures observed each week across 1 airline. 100% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is 12 minutes early. No cancellations were recorded across the 14 tracked flights. The nonstop covers 1,072 km, an estimated 1 hour 52 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Raleigh/Durham. Updated 9 October 2026 at 03:18 UTC.

STL St Louis busy · +18
RDU Raleigh/Durham smooth · +12
1,072 km · ~1h 52m est.
dep bank 10:20–20:357x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 14 operated STL → RDU flights arrived within 15 minutes

Median arrival delay is −12 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−12 minacross the last 14 operated legs
Flight time~1h 52mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 14

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 WN4118 10:20 daily · WN396 18:30 Tu We · WN278 20:35 Mo Th Fr Sa

History

operated legs · board outcomes
10-08WN278dep +61 → arr+15
10-08WN4118dep +8 → arr−16
10-07WN396dep +6 → arr−24
10-07WN4118dep +6 → arr−16
10-06WN396dep +6 → arr−23
10-06WN4118dep +11 → arr−12
10-05WN278dep +16 → arr−14
10-05WN4118dep +13 → arr−10
10-04WN1840dep +25 → arr+0
10-04WN4118dep +11 → arr−11
10-03WN278dep +5 → arr−18
10-03WN4118dep +8 → arr−12
10-02WN278dep +22 → arr−1
10-02WN4118dep +25 → arr+6

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 +18 min busy 🌤 few clouds · SE 4 kt Full STL delay board →
RDURaleigh/Durham +12 min smooth 🌤 overcast · N 5 kt Full RDU delay board →

Weather lens

Current conditions put the pressure at STL and RDU: 41% odds of a 15+ minute delay and around +9 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 Raleigh/Durham route actually runs

Pro Flight Search records official board updates for nonstop STL to RDU 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 Raleigh/Durham (RDU) route reliability, measured from operated flights on official airport boards.

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

STL to RDU questions

Is STL–RDU running on time right now?

Mostly on schedule. The departure side at STL is the weaker end, route health score 80/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–RDU?

Operators schedule morning departures around 10:20 and evening departures around 18:30 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the RDU delay card to confirm conditions when you'd arrive.

How long is the flight from STL to RDU?

Great-circle distance is 1,072 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 106–122 min gate-to-gate on this route.

How often does STL–RDU 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.