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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 72%.

Best time to leave 9–10 am 89% arrive on time from LGA
Best single flight DL 5643 LGA 08:39 → SDF 11:02 · 87% on time Avoid DL 5636 LGA 18:20 → SDF 20:58 · 69% 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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LGA
89
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72
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74
% 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 5643flown by Republic LGA 08:39 SDF 11:02 87%
DL 5637flown by Republic LGA 11:05 SDF 13:32 86%
DL 5636flown by Republic LGA 18:20 SDF 20:58 69%

All 5 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 5643flown by Republic LGA 08:39 SDF 11:02 2h 28m 265 87% 2.3% 40 min
DL 5637flown by Republic LGA 11:05 SDF 13:32 2h 27m 192 86% 1.6% 48 min
DL 4851flown by Endeavor LGA 14:35 SDF 17:11 2h 36m 43 60% 7.0% 63 min
DL 5651flown by Republic LGA 16:10 SDF 18:49 2h 37m 122 83% 5.7% 54 min
DL 5636flown by Republic LGA 18:20 SDF 20:58 2h 38m 182 69% 7.1% 70 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 LGA SDF 2h 32m 81% 3.9% 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