DCA → SDFWashington to Louisville

live

Direct flights from Washington (DCA) to Louisville (SDF): 7 nonstop departures observed each week across 1 airline. 81% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 12 minutes early. No cancellations were recorded across the 21 tracked flights. The nonstop covers 760 km, an estimated 1 hour 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Louisville. Updated 17 October 2026 at 10:18 UTC.

Today, DCA → SDF

Sat 17 Oct · local times
  1. 08:50 AA4511American On scheduleT2 ·

Checked DCA board 06:18 · SDF board 06:03

DCA Washington smooth · +13
SDF Louisville smooth · +10
760 km · ~1h 28m est.
dep bank 08:33–19:297x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
81% on time

of the last 21 operated DCA → SDF flights arrived within 15 minutes

Median arrival delay is −12 min. 0 of 21 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−12 minacross the last 21 operated legs
Flight time~1h 28mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 21

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American 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
American AirlinesAA85% on time

Flights AA5602 varies Su · AA4511 08:50 Mo Tu We Th Fr Sa · AA4023 15:24 Mo Tu We Th Fr Su · AA4672 19:29 daily

History

operated legs · board outcomes
10-16AA4023dep +26 → arr−12
10-16AA4511dep +30 → arr−17
10-15AA4023dep +58 → arr−33
10-15AA4511dep +43 → arr−6
10-15AA4672dep +39 → arr−6
10-14AA4023dep +27 → arr−15
10-14AA4511dep +24 → arr−25
10-14AA4672dep +36 → arr+4
10-13AA4023dep +0 → arr+21
10-13AA4511dep +28 → arr−28
10-13AA4672dep +7 → arr−37
10-12AA4023dep +18 → arr−23
10-12AA4511dep +53 → arr+4
10-12AA4672dep +41 → arr−5
10-11AA4023dep +54 → arr+11
10-11AA4672dep +92 → arr−37
10-11AA5602dep +96 → arr+45
10-10AA4321departed+33
10-10AA4511dep +7 → arr−38
10-10AA5515dep +15 → arr−28
10-10MQ4321dep +12 → arr+43

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
DCAWashington +13 min smooth 🌤 overcast · N 12 kt Full DCA delay board →
SDFLouisville +10 min smooth 🌤 overcast · N 9 kt Full SDF delay board →

Weather lens

Current conditions put the pressure at DCA and SDF: 42% 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 →

How the Washington to Louisville route actually runs

Pro Flight Search records official board updates for nonstop DCA 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 — Washington (DCA) to Louisville (SDF) route reliability, measured from operated flights on official airport boards.

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

DCA to SDF questions

Is DCA–SDF running on time right now?

Smooth skies ahead. The departure side at DCA 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 DCA–SDF?

Operators schedule morning departures around 08:50 and evening departures around 19:29 from DCA. 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 DCA to SDF?

Great-circle distance is 760 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 84–95 min gate-to-gate on this route.

How often does DCA–SDF fly?

American Airlines runs the route with about 20 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.