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Showing United only (incl. its regional partners)All airlines ×
2,010 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s ORD → SDF flights land within a few points of 3 in 4 on time whatever the hour.

Best time to leave 7–8 am 83% arrive on time from ORD
Best single flight UA 3598 ORD 17:50 → SDF 20:23 · 77% 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
ORD
83
90
79
84
69
62
78
79
88
82
83
% 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.
UA 3598flown by Republic ORD 17:50 SDF 20:23 77%

All 11 United 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.
UA 4471flown by GoJet ORD 06:59 SDF 09:26 1h 27m 24 88% 0.0% 98 min
UA 5703flown by SkyWest ORD 06:59 SDF 09:26 1h 27m 31 71% 0.0% 39 min
UA 4559flown by GoJet ORD 11:00 SDF 13:35 1h 35m 102 82% 1.0% 122 min
UA 5467flown by SkyWest ORD 11:00 SDF 13:35 1h 35m 31 80% 3.2% 43 min
UA 4670flown by SkyWest ORD 11:00 SDF 13:35 1h 35m 34 82% 0.0% 55 min
UA 5412flown by SkyWest ORD 14:29 SDF 17:03 1h 34m 37 72% 2.7% 57 min
UA 5571flown by SkyWest ORD 14:29 SDF 17:03 1h 34m 35 81% 8.6% 55 min
UA 4519flown by GoJet ORD 16:25 SDF 18:56 1h 31m 37 66% 5.4% 48 min
UA 5228flown by SkyWest ORD 16:29 SDF 19:00 1h 31m 24 71% 12.5% 44 min
UA 3598flown by Republic ORD 17:50 SDF 20:23 1h 33m 348 77% 4.0% 78 min
UA 3659flown by Republic ORD 21:25 SDF 23:59 1h 34m 72 73% 11.1% 64 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 ORD SDF 1h 32m 74% 3.7% 2,010 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