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Showing Delta only (incl. its regional partners)All airlines ×
2,314 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 84% depart on time. After 4 pm it’s 62%.

Best time to leave 6–7 am 88% arrive on time from RDU
Best single flight DL 5101 RDU 19:59 → LGA 21:58 · 65% on time Avoid DL 5184 RDU 15:01 → LGA 16:44 · 60% 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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RDU
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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 5101flown by Endeavor RDU 19:59 LGA 21:58 65%
DL 5184flown by Endeavor RDU 15:01 LGA 16:44 60%

All 8 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 4689flown by Endeavor RDU 06:00 LGA 07:43 1h 43m 48 83% 4.2% 118 min
DL 4956flown by Endeavor RDU 08:30 LGA 10:12 1h 42m 78 68% 2.6% 103 min
DL 4667flown by Endeavor RDU 11:29 LGA 13:12 1h 43m 53 55% 7.5% 83 min
DL 4685flown by Endeavor RDU 13:09 LGA 15:00 1h 51m 55 73% 12.7% 150 min
DL 5184flown by Endeavor RDU 15:01 LGA 16:44 1h 43m 191 60% 7.9% 97 min
DL 5180flown by Endeavor RDU 17:05 LGA 18:52 1h 47m 55 44% 18.2% 124 min
DL 4808flown by Endeavor RDU 17:10 LGA 18:58 1h 48m 31 79% 9.7% 51 min
DL 5101flown by Endeavor RDU 19:59 LGA 21:58 1h 59m 237 65% 7.2% 149 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 RDU LGA 1h 43m 72% 5.7% 2,314 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