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2,301 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 86% on time.

Best time to leave 11 pm–12 am 92% arrive on time from SEA
Best single flight DL 3770 SEA 15:10 → MFR 16:44 · 92% on time Avoid AS 2111 SEA 08:25 → MFR 09:54 · 82% 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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SEA
90
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89
% 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
Medford flights leaving SEA 5–6 pm: 1Close ×
AS 2037flown by Horizon SEA 17:47 MFR 19:13 1h 26m 52 86% 1.9% 46 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.
Delta (incl. SkyWest) 1,059 89% 0.8% 71 min
Alaska (incl. SkyWest, Horizon) 1,242 84% 2.3% 41 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.
DL 3770flown by SkyWest SEA 15:10 MFR 16:44 92%
DL 3954flown by SkyWest SEA 21:35 MFR 23:12 90%
AS 2461flown by Horizon SEA 22:40 MFR 00:04 89%
DL 3779flown by SkyWest SEA 11:18 MFR 13:01 85%
AS 2111flown by Horizon SEA 08:25 MFR 09:54 82%
All 9 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.
Delta SEA MFR 1h 34m 89% 0.8% 1,059 Flying now
Alaska SEA MFR 1h 26m 84% 2.3% 1,242 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