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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

Leave before 9 am: almost all depart on time. After 4 pm it’s 88%.

Best time to leave 5–6 am 98% arrive on time from PDX
Best single flight DL 1270 PDX 05:45 → SLC 08:39 · 98% on time Avoid DL 1209 PDX 13:15 → SLC 16:12 · 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 1270 PDX 05:45 SLC 08:39 98%
DL 1203 PDX 09:45 SLC 12:35 92%
DL 1244 PDX 17:24 SLC 20:19 88%
DL 1209 PDX 13:15 SLC 16:12 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 1270 PDX 05:45 SLC 08:39 1h 54m 365 98% 0.3% 41 min
DL 1203 PDX 09:45 SLC 12:35 1h 51m 220 92% 3.2% 62 min
DL 1209 PDX 13:15 SLC 16:12 1h 57m 363 88% 1.4% 53 min
DL 1244 PDX 17:24 SLC 20:19 1h 55m 220 88% 0.5% 55 min
DL 1238 PDX 19:20 SLC 22:13 1h 53m 131 91% 6.1% 150 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 PDX SLC 1h 52m 91% 1.5% 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