STL → DALSt Louis to Dallas

live

Direct flights from St Louis (STL) to Dallas (DAL): 7 nonstop departures observed each week across 1 airline. 80% of the last 25 operated flights arrived within 15 minutes of schedule. The median arrival is 10 minutes early. No cancellations were recorded across the 25 tracked flights. The nonstop covers 878 km, an estimated 1 hour 38 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Dallas. Updated 23 October 2026 at 11:18 UTC.

Today, STL → DAL

Fri 23 Oct · local times
WN4055SouthwestIn the air, 15 min late

Left STL at 05:25, 15 min after its 05:10 slot.

Landing
06:52DAL board estimate · sched 06:50
Track WN4055 →
  1. 05:10 WN4055Southwest Left 05:25 +15 DAL est. 06:52In the air · sched 06:50
  2. 08:30 WN987Southwest On scheduleT2 ·

Checked STL board 06:18 · DAL board 06:18

STL St Louis smooth · +4
DAL Dallas heavy · +43
878 km · ~1h 38m est.
dep bank 05:10–21:507x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
80% on time

of the last 25 operated STL → DAL flights arrived within 15 minutes

Median arrival delay is −10 min. 0 of 25 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−10 minacross the last 25 operated legs
Flight time~1h 38mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 25

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 AirlinesWN86% on time

Flights WN4055 05:10 Mo Th Fr Su · WN2218 06:00 Tu We · WN2352 06:45 Su · WN138 08:30 Su

History

operated legs · board outcomes
10-23WN4055dep +15 → arr+2
10-22WN1361dep +103 → arr+74
10-22WN4054dep +51 → arr+24
10-22WN4055dep +12 → arr−19
10-22WN4056dep +19 → arr+5
10-22WN4102dep +43 → arr+9
10-22WN987dep +18 → arr−12
10-211I262dep +63 → arr+66
10-21WN1384dep +14 → arr−15
10-21WN2218dep +12 → arr−15
10-21WN2324dep +14 → arr−20
10-21WN4054dep +9 → arr−21
10-21WN4056dep +14 → arr−19
10-20WN2218dep +2 → arr−12
10-20WN2324dep +17 → arr−13
10-20WN4054dep +19 → arr−5
10-20WN4056dep +7 → arr−23
10-191I703dep −22 → arr+0
10-19JRE809dep +15 → arr+20
10-19WN1361arrived+75
10-19WN4054arrived+1
10-19WN4055arrived−12
10-19WN4056arrived−10
10-19WN4102arrived−16
10-19WN987arrived+3

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 +4 min smooth 🌤 clear · E 4 kt Full STL delay board →
DALDallas +43 min heavy 🌤 few clouds · N 0 kt Full DAL delay board →

Weather lens

Current conditions put the pressure at STL and DAL: 45% odds of a 15+ minute delay and around +10 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 Dallas route actually runs

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

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

STL to DAL questions

Is STL–DAL running on time right now?

Some delays possible. The arrival side at DAL is the weaker end, route health score 67/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–DAL?

Operators schedule morning departures around 05:10 and evening departures around 17:20 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DAL delay card to confirm conditions when you'd arrive.

How long is the flight from STL to DAL?

Great-circle distance is 878 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 92–105 min gate-to-gate on this route.

How often does STL–DAL fly?

Southwest Airlines runs the route with about 38 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.