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2,755 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 85% on time.

Best time to leave 8–9 am 97% arrive on time from SEA
Best single flight DL 4047 SEA 21:35 → RDM 22:58 · 91% on time Avoid AS 2388 SEA 22:53 → RDM 23:59 · 86% 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
87
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92
81
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81
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73
% 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
Redmond flights leaving SEA 5–6 pm: 2Close ×
DL 4141flown by SkyWest SEA 17:26 RDM 18:45 1h 19m 347 89% 0.9% 53 min
AS 2125flown by Horizon SEA 17:40 RDM 18:47 1h 07m 27 74% 0.0% 42 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 90% 1.7% 61 min
Alaska (incl. SkyWest, Horizon) 1,696 82% 1.7% 42 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 4047flown by SkyWest SEA 21:35 RDM 22:58 91%
DL 3735flown by SkyWest SEA 11:19 RDM 12:45 90%
DL 4141flown by SkyWest SEA 17:26 RDM 18:45 89%
AS 2388flown by Horizon SEA 22:53 RDM 23:59 86%
All 13 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 RDM 1h 23m 90% 1.7% 1,059 Flying now
Alaska SEA RDM 1h 10m 82% 1.7% 1,696 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