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Showing Delta only (incl. its regional partners)All airlines ×
1,157 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 4.

Best time to leave 6–7 am 92% arrive on time from SDF
Best single flight DL 5652 SDF 06:00 → LGA 08:15 · 90% on time Avoid DL 5637 SDF 14:13 → LGA 16:30 · 81% 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).

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% 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.
DL 5652flown by Republic SDF 06:00 LGA 08:15 90%
DL 5643flown by Republic SDF 11:42 LGA 13:58 85%
DL 5637flown by Republic SDF 14:13 LGA 16:30 81%

All 4 Delta 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.
DL 5652flown by Republic SDF 06:00 LGA 08:15 2h 13m 200 90% 4.0% 39 min
DL 5643flown by Republic SDF 11:42 LGA 13:58 2h 16m 240 85% 4.6% 50 min
DL 5637flown by Republic SDF 14:13 LGA 16:30 2h 16m 179 81% 5.6% 64 min
DL 4852flown by Endeavor SDF 17:55 LGA 20:20 2h 25m 43 62% 7.0% 97 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.
Delta SDF LGA 2h 14m 83% 4.3% 1,157 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