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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

Leave before 9 am: 93% depart on time. After 4 pm it’s 73%.

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

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.

UA 3422flown by Republic SDF 07:15 ORD 07:56 90%

All 12 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 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
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
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.

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