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2,312 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 6–7 am 88% arrive on time from LGA
Best single flight DL 5770 LGA 06:05 → DCA 07:23 · 89% on time Avoid DL 5724 LGA 19:20 → DCA 20:59 · 50% 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
92
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87
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61
% 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 5770flown by Republic LGA 06:05 DCA 07:23 89%
DL 5742flown by Republic LGA 08:50 DCA 10:15 83%
DL 5749flown by Republic LGA 11:20 DCA 12:46 78%
DL 5717flown by Republic LGA 17:20 DCA 18:58 62%
DL 5709flown by Republic LGA 14:45 DCA 16:20 61%
· · ·
DL 5724flown by Republic LGA 19:20 DCA 20:59 50%

All 7 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 5770flown by Republic LGA 06:05 DCA 07:23 1h 18m 280 89% 3.2% 76 min
DL 5742flown by Republic LGA 08:50 DCA 10:15 1h 25m 222 83% 3.2% 59 min
DL 5749flown by Republic LGA 11:20 DCA 12:46 1h 26m 347 78% 4.0% 59 min
DL 5709flown by Republic LGA 14:45 DCA 16:20 1h 35m 348 61% 5.5% 54 min
DL 5717flown by Republic LGA 17:20 DCA 18:58 1h 38m 348 62% 9.5% 56 min
DL 5724flown by Republic LGA 19:20 DCA 20:59 1h 40m 184 50% 10.9% 66 min
DL 1825 LGA 21:25 DCA 22:55 1h 30m 48 47% 6.2% 83 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 DCA 1h 27m 70% 5.6% 2,312 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