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1,081 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 12–1 pm 95% arrive on time from PDX
Best single flight AS 97 PDX 21:30 → ONT 23:51 · 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).

7
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PDX
94
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78
% 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.
Alaska (incl. SkyWest, Horizon) 1,021 87% 1.1% 48 min
Frontier 60 – 0.0% 64 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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.
AS 97 PDX 21:30 ONT 23:51 82%

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.
AS 1449 PDX 07:36 ONT 09:56 2h 20m 51 92% 2.0% 39 min
AS 1333 PDX 08:00 ONT 10:21 2h 21m 28 93% 0.0% 60 min
AS 2093flown by Horizon PDX 14:30 ONT 16:52 2h 22m 120 92% 0.0% 50 min
AS 2396flown by Horizon PDX 21:30 ONT 23:52 2h 22m 19 79% 0.0% 62 min
AS 97 PDX 21:30 ONT 23:51 2h 21m 152 82% 0.0% 46 min
AS 2305flown by Horizon PDX 21:31 ONT 23:56 2h 25m 27 88% 7.4% 51 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.
Alaska PDX ONT 2h 21m 87% 1.1% 1,021 Flying now
Frontier PDX ONT 2h 22m 80% 0.0% 60 Not 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