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Showing United only (incl. its regional partners)All airlines ×
1,450 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 LGA
Best single flight UA 3656 LGA 06:00 → IAD 07:26 · 93% on time Avoid UA 3688 LGA 14:51 → IAD 16:35 · 63% 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
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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.
UA 3656flown by Republic LGA 06:00 IAD 07:26 93%
UA 3688flown by Republic LGA 14:51 IAD 16:35 63%

All 4 United 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.
UA 3656flown by Republic LGA 06:00 IAD 07:26 1h 26m 262 93% 5.7% 89 min
UA 6242flown by Mesa LGA 10:29 IAD 11:55 1h 26m 70 82% 4.3% 81 min
UA 3688flown by Republic LGA 14:51 IAD 16:35 1h 44m 314 63% 5.1% 80 min
UA 6244flown by Mesa LGA 19:28 IAD 20:55 1h 27m 75 69% 14.7% 96 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.
United LGA IAD 1h 29m 76% 6.7% 1,450 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