Showing American only (incl. its regional partners)All airlines ×

1,029 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 65%.

Best time to leave 6–7 am 91% arrive on time from SDF

Best single flight AA 4549 SDF 06:00 → DCA 07:50 · 91% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

SDF

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


AA 4549flown by Republic	SDF 06:00	DCA 07:50	91%

All 4 American flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


AA 4549flown by Republic	SDF 06:00	DCA 07:50	1h 49m	364	91%	1.4%	63 min
AA 5400flown by PSA	SDF 10:06	DCA 11:54	1h 48m	70	79%	11.4%	210 min
AA 4753flown by Republic	SDF 14:18	DCA 15:59	1h 43m	44	60%	4.5%	58 min
AA 5227flown by PSA	SDF 14:22	DCA 16:12	1h 48m	18	41%	5.6%	42 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


American	SDF	DCA	1h 45m	80%	4.2%	1,029	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON