Southwest AirlinesWN20% on time
Flights WN1097 11:25 Sa · WN3896 15:35 Su · WN4041 16:00 Mo Th Fr
live
Direct flights from St Louis (STL) to Valparaiso (VPS): 5 nonstop departures observed each week across 1 airline. 20% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes late. No cancellations were recorded across the 5 tracked flights. The nonstop covers 984 km, an estimated 1 hour 46 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Valparaiso. Updated 14 September 2026 at 03:18 UTC.
STL
St Louis
heavy · +44
VPS
Valparaiso
tracking
984 km · ~1h 46m est.
Runs rough · 1 airline · 5x weekly · nonstop
20% on time
of the last 5 operated STL → VPS flights arrived within 15 minutes
Median arrival delay is +18 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+18 minacross the last 5 operated legs
Flight time~1h 46mestimated from route distance
Weekly departures5x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the St Louis to Valparaiso route actually runs
Pro Flight Search records official board updates for nonstop STL to VPS 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 Valparaiso (VPS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/STL-VPS
STL to VPS questions
Is STL–VPS running on time right now?
Significant delay risk. The departure side at STL is the weaker end, route health score 42/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on STL–VPS?
Operators schedule morning departures around 11:25 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the VPS delay card to confirm conditions when you'd arrive.
How long is the flight from STL to VPS?
Great-circle distance is 984 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 99–114 min gate-to-gate on this route.
How often does STL–VPS fly?
Southwest Airlines runs the route with about 5 flights a week (sun, mon, thu, fri, sat). Since one carrier owns the route, a single disruption tends to ripple through the day.
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