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Showing Delta only (incl. its regional partners)All airlines ×
1,699 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s SLC → PDX flights land within a few points of 9 in 10 on time whatever the hour.

Best time to leave 8–9 am 93% 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).

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% 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.

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 5 Delta 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.
DL 1203 SLC 07:45 PDX 08:38 1h 52m 220 89% 3.2% 56 min
DL 1209 SLC 11:15 PDX 12:10 1h 55m 363 89% 1.4% 61 min
DL 1244 SLC 15:24 PDX 16:19 1h 55m 224 88% 0.4% 56 min
DL 1238 SLC 17:25 PDX 18:18 1h 53m 131 87% 6.1% 81 min
DL 1373 SLC 22:50 PDX 23:44 1h 55m 348 89% 0.0% 45 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.
Delta SLC PDX 1h 59m 89% 1.4% 1,699 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