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2,582 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 9 in 10 on time.

Best time to leave 8–9 am 94% arrive on time from SLC
Best single flight DL 1203 SLC 07:45 → PDX 08:38 · 89% on time Avoid DL 1244 SLC 15:24 → PDX 16:19 · 88% 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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SLC
90
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88
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84
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88
% 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
Portland flights leaving SLC 12–1 pm: 1Close ×
AS 3117flown by SkyWest SLC 12:46 PDX 13:49 2h 03m 52 92% 0.0% 45 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.
Alaska (incl. SkyWest, Horizon) 848 90% 0.5% 64 min
Delta (incl. SkyWest) 1,699 89% 1.4% 57 min
Frontier 35 – 0.0% 56 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.
DL 1203 SLC 07:45 PDX 08:38 89%
DL 1373 SLC 22:50 PDX 23:44 89%
DL 1209 SLC 11:15 PDX 12:10 89%
DL 1244 SLC 15:24 PDX 16:19 88%
All 11 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.
Alaska SLC PDX 2h 06m 90% 0.5% 848 Flying now
Delta SLC PDX 1h 59m 89% 1.4% 1,699 Flying now
Frontier SLC PDX 2h 02m 66%few flights 0.0% 35 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