Southwest AirlinesWN88% on time
Flights WN550 08:15 Mo Th Fr · WN3523 10:55 Tu We · WN3996 10:55 Sa · WN4499 varies Su
live
Direct flights from Baltimore (BWI) to Louisville (SDF): 7 nonstop departures observed each week across 1 airline. 88% of the last 17 operated flights arrived within 15 minutes of schedule. The median arrival is 16 minutes early. No cancellations were recorded across the 17 tracked flights. The nonstop covers 795 km, an estimated 1 hour 31 minutes in the air. Measured by Pro Flight Search from live flight boards at Baltimore and Louisville. Updated 11 September 2026 at 02:33 UTC.
BWI
Baltimore
busy · +24
SDF
Louisville
smooth · +0
795 km · ~1h 31m est.
Runs reliable · 1 airline · 7x weekly · nonstop
88% on time
of the last 17 operated BWI → SDF flights arrived within 15 minutes
Median arrival delay is −16 min. 0 of 17 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−16 minacross the last 17 operated legs
Flight time~1h 31mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 17
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 boardsWeather lens
Current conditions put the pressure at SDF: 40% odds of a 15+ minute delay and around +8 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 Baltimore to Louisville route actually runs
Pro Flight Search records official board updates for nonstop BWI 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 — Baltimore (BWI) to Louisville (SDF) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/BWI-SDF
BWI to SDF questions
Is BWI–SDF running on time right now?
Smooth skies ahead. The departure side at BWI is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on BWI–SDF?
Operators schedule morning departures around 08:15 and evening departures around 20:55 from BWI. 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 BWI to SDF?
Great-circle distance is 795 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 86–98 min gate-to-gate on this route.
How often does BWI–SDF fly?
Southwest Airlines runs the route with about 17 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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