Allegiant AirG4
live
Direct flights from Louisville (SDF) to Valparaiso (VPS): 2 nonstop departures observed each week across 1 airline. The median arrival is 35 minutes late. No cancellations were recorded across the 2 tracked flights. The nonstop covers 858 km, an estimated 1 hour 36 minutes in the air. Measured by Pro Flight Search from live flight boards at Louisville and Valparaiso. Updated 13 September 2026 at 19:03 UTC.
SDF
Louisville
smooth · +7
VPS
Valparaiso
tracking
858 km · ~1h 36m est.
Running clean · 1 airline · 2x weekly · nonstop
88 / 100
route health from live SDF and VPS delay boards
Median arrival delay is +35 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+35 minacross the last 2 operated legs
Flight time~1h 36mestimated from route distance
Weekly departures2x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Allegiant Air
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 Louisville to Valparaiso route actually runs
Pro Flight Search records official board updates for nonstop SDF 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 — Louisville (SDF) to Valparaiso (VPS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SDF-VPS
SDF to VPS questions
Is SDF–VPS running on time right now?
Smooth skies ahead. The departure side at SDF is the weaker end, route health score 88/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SDF–VPS?
Operators schedule morning departures around 09:30 from SDF. 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 SDF to VPS?
Great-circle distance is 858 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 91–104 min gate-to-gate on this route.
How often does SDF–VPS fly?
Allegiant Air runs the route with about 2 flights a week (sun, thu). Since one carrier owns the route, a single disruption tends to ripple through the day.
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