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3,326 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 5–6 am 94% arrive on time from SDF
Best single flight UA 3422 SDF 07:15 → ORD 07:56 · 90% on time Avoid AA 4622 SDF 06:51 → ORD 07:38 · 86% 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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SDF
94
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74
74
% 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.

American (incl. Envoy, PSA, SkyWest, Republic) 1,316 81% 3.2% 74 min
United (incl. GoJet, SkyWest, Republic) 2,010 76% 3.1% 89 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 3422flown by Republic SDF 07:15 ORD 07:56 90%
AA 4622flown by Republic SDF 06:51 ORD 07:38 86%

All 15 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 4622flown by Republic SDF 06:51 ORD 07:38 1h 47m 291 86% 1.7% 84 min
UA 3422flown by Republic SDF 07:15 ORD 07:56 1h 41m 348 90% 1.1% 62 min
UA 3694flown by Republic SDF 09:00 ORD 09:38 1h 38m 35 74% 0.0% 54 min
UA 3696flown by Republic SDF 09:00 ORD 09:38 1h 38m 37 95% 0.0% 32 min
UA 4596flown by GoJet SDF 10:02 ORD 10:38 1h 36m 35 74% 0.0% 70 min
UA 5629flown by SkyWest SDF 10:04 ORD 10:40 1h 36m 31 55% 0.0% 38 min
AA 4704flown by Republic SDF 11:05 ORD 11:44 1h 39m 68 96% 0.0% 112 min
UA 5230flown by SkyWest SDF 14:10 ORD 14:50 1h 40m 24 64% 8.3% 54 min
UA 4412flown by GoJet SDF 14:10 ORD 14:50 1h 40m 132 76% 6.1% 118 min
UA 5603flown by SkyWest SDF 14:10 ORD 14:50 1h 40m 31 57% 3.2% 76 min
UA 5929flown by SkyWest SDF 17:50 ORD 18:40 1h 50m 37 59% 8.1% 38 min
UA 5382flown by SkyWest SDF 18:00 ORD 18:50 1h 50m 35 88% 8.6% 292 min
AA 4668flown by Republic SDF 19:13 ORD 20:14 2h 02m 70 79% 10.0% 82 min
UA 5234flown by SkyWest SDF 19:47 ORD 20:30 1h 43m 24 78% 4.2% 152 min
UA 4563flown by GoJet SDF 19:55 ORD 20:40 1h 45m 47 77% 6.4% 110 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.

American SDF ORD 1h 41m 81% 3.2% 1,316 Flying now
United SDF ORD 1h 42m 76% 3.1% 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