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1,259 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s IAD → ROC flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 8–9 am 87% arrive on time from IAD
Best single flight UA 4871 IAD 17:30 → ROC 19:05 · 75% 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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IAD
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81
% 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
Rochester flights leaving IAD 12–1 pm: 2Close ×
UA 4864flown by CommuteAir IAD 12:50 ROC 14:19 1h 29m 30 79% 0.0% 130 min
UA 4485flown by GoJet IAD 12:50 ROC 14:18 1h 28m 27 92% 7.4% 29 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
United (incl. CommuteAir, GoJet, Mesa, Republic) 1,259 81% 2.5% 86 min

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 4871flown by CommuteAir IAD 17:30 ROC 19:05 75%
All 7 flights on this route →

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 IAD ROC 1h 27m 81% 2.5% 1,259 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