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2,177 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

United is clearly ahead here: 83% of its flights arrive on time, 11 points better than Frontier.

Best time to leave 9–10 am 94% arrive on time from IAD
Best single flight UA 379 IAD 08:45 → MCO 11:08 · 89% on time Avoid UA 2463 IAD 17:22 → MCO 19:45 · 71% 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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9
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IAD
91
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86
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79
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73
83
% 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.

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 1,888 83% 0.8% 70 min
Frontier 289 72% 2.4% 84 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 379 IAD 08:45 MCO 11:08 89%
UA 2206 IAD 12:35 MCO 14:58 86%
UA 689 IAD 22:33 MCO 01:01 84%
UA 2463 IAD 17:22 MCO 19:45 71%

All 6 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 379 IAD 08:45 MCO 11:08 2h 23m 328 89% 1.5% 61 min
UA 2206 IAD 12:35 MCO 14:58 2h 23m 364 86% 0.8% 80 min
F9 4355 IAD 13:38 MCO 16:05 2h 30m 92 68% 2.2% 63 min
UA 1101 IAD 15:37 MCO 17:59 2h 22m 93 62% 0.0% 73 min
UA 2463 IAD 17:22 MCO 19:45 2h 23m 365 71% 1.1% 70 min
UA 689 IAD 22:33 MCO 01:01 2h 28m 331 84% 0.6% 56 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 IAD MCO 2h 28m 83% 0.8% 1,888 Flying now
Frontier IAD MCO 2h 32m 72% 2.4% 289 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