Southwest AirlinesWN
Flights WN1082 11:25 Sa · WN1766 13:45 Mo Th Fr Su · WN2130 14:00 Tu We
live
Direct flights from Denver (DEN) to Louisville (SDF): 14 nonstop departures observed each week across 2 airlines. 75% of the last 12 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 12 tracked flights. The nonstop covers 1,644 km, an estimated 2 hours 36 minutes in the air. Measured by Pro Flight Search from live flight boards at Denver and Louisville. Updated 27 October 2026 at 08:08 UTC.
Today, DEN → SDF
Tue 27 Oct · local times- 09:47 UA1479United Airlines On scheduleGate A31 ·
- 14:00 WN2130Southwest Airlines On scheduleGate C24 ·
- 17:45 UA514United Airlines Sched 17:45Departure not confirmed by the board ·
Checked DEN board 02:08 · SDF board 22:03
DEN
Denver
smooth · +0
SDF
Louisville
smooth · +0
1,644 km · ~2h 36m est.
Runs mixed · 2 airlines · 14x weekly · nonstop
75% on time
of the last 12 operated DEN → SDF flights arrived within 15 minutes
Median arrival delay is +1 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+1 minacross the last 12 operated legs
Flight time~2h 36mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 12
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest AirlinesUnited 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 boardsWeather lens
Current conditions put the pressure at DEN: 44% 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 →
next sweep in 120s
How the Denver to Louisville route actually runs
Pro Flight Search records official board updates for nonstop DEN to SDF 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 — Denver (DEN) to Louisville (SDF) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/DEN-SDF
DEN to SDF questions
Is DEN–SDF running on time right now?
Mostly on schedule. Both endpoints currently score the same, route health score 73/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on DEN–SDF?
Operators schedule morning departures around 09:55 and evening departures around 17:48 from DEN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SDF delay card to confirm conditions when you'd arrive.
How long is the flight from DEN to SDF?
Great-circle distance is 1,644 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 146–171 min gate-to-gate on this route.
How often does DEN–SDF fly?
2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.
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