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2,808 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 4 in 5 on time.

Best time to leave 8–9 am 93% arrive on time from PDX
Best single flight UA 2306 PDX 07:00 → ORD 13:13 · 91% on time Avoid AS 324 PDX 07:00 → ORD 13:13 · 74% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
PDX
87
92
94
87
72
77
87
49
84
81
% 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.
United 1,402 83% 0.8% 68 min
Alaska 510 78% 1.4% 42 min
American 896 75% 1.1% 104 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.
UA 2306 PDX 07:00 ORD 13:13 91%
UA 1490 PDX 23:40 ORD 05:45 89%
AS 324 PDX 07:00 ORD 13:13 74%

All 12 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.
AA 2933 PDX 06:07 ORD 12:17 4h 10m 72 83% 1.4% 152 min
AS 324 PDX 07:00 ORD 13:13 4h 13m 354 74% 0.8% 42 min
UA 2306 PDX 07:00 ORD 13:13 4h 13m 151 91% 2.0% 64 min
UA 1641 PDX 10:46 ORD 17:00 4h 14m 93 76% 0.0% 116 min
UA 2265 PDX 10:51 ORD 17:05 4h 14m 35 77% 0.0% 69 min
AA 2284 PDX 11:26 ORD 17:42 4h 16m 72 70% 0.0% 105 min
AA 3303 PDX 13:45 ORD 19:50 4h 05m 105 53% 2.9% 52 min
UA 2336 PDX 14:25 ORD 20:38 4h 13m 71 68% 0.0% 70 min
UA 2094 PDX 22:40 ORD 04:45 4h 05m 72 90% 0.0% 57 min
AS 376 PDX 22:59 ORD 05:00 4h 01m 148 87% 2.7% 40 min
AA 2977 PDX 23:07 ORD 05:07 3h 59m 77 63% 0.0% 99 min
UA 1490 PDX 23:40 ORD 05:45 4h 05m 286 89% 1.0% 62 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.
United PDX ORD 4h 07m 83% 0.8% 1,402 Flying now
Alaska PDX ORD 4h 13m 78% 1.4% 510 Flying now
American PDX ORD 4h 10m 75% 1.1% 896 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