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3,204 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 85% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 8–9 am 86% arrive on time from ORD
Best single flight DL 2231 ORD 07:45 → SLC 10:15 · 81% on time Avoid UA 1710 ORD 20:10 → SLC 22:48 · 58% 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
8
9
10
11
12
13
14
15
16
17
18
19
20
21
ORD
84
86
80
73
82
71
74
79
73
74
60
55
58
% 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
Salt Lake City flights leaving ORD 8–9 am: 1Close ×
UA 1972 ORD 08:55 SLC 11:39 3h 44m 149 84% 1.3% 55 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.
United (incl. SkyWest) 1,147 73% 1.2% 67 min
Delta 1,013 73% 1.0% 111 min
American (incl. Envoy, SkyWest) 1,044 66% 2.0% 71 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.
DL 2231 ORD 07:45 SLC 10:15 81%
DL 2377 ORD 17:00 SLC 19:32 67%
UA 1710 ORD 20:10 SLC 22:48 58%
All 12 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.
United ORD SLC 3h 39m 73% 1.2% 1,147 Flying now
Delta ORD SLC 3h 31m 73% 1.0% 1,013 Flying now
American ORD SLC 3h 38m 66% 2.0% 1,044 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