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Showing United only (incl. its regional partners)All airlines ×
3,410 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 4 in 5.

Best time to leave 5–6 am 97% arrive on time from SFO
Best single flight UA 2436 SFO 18:56 → DEN 22:44 · 88% on time Avoid UA 1596 SFO 14:20 → DEN 18:11 · 71% 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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SFO
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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 2436 SFO 18:56 DEN 22:44 88%
UA 301 SFO 21:00 DEN 00:47 86%
UA 2348 SFO 08:31 DEN 12:22 84%
UA 1430 SFO 16:10 DEN 20:01 79%
UA 1596 SFO 14:20 DEN 18:11 71%

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 1479 SFO 05:00 DEN 08:35 2h 35m 149 96% 0.0% 86 min
UA 1758 SFO 06:15 DEN 09:59 2h 44m 38 81% 2.6% 164 min
UA 1233 SFO 06:15 DEN 09:59 2h 44m 71 96% 0.0% 24 min
UA 2348 SFO 08:31 DEN 12:22 2h 51m 310 84% 0.6% 54 min
UA 1604 SFO 10:40 DEN 14:23 2h 43m 148 68% 0.0% 43 min
UA 540 SFO 12:43 DEN 16:35 2h 52m 72 77% 0.0% 66 min
UA 1596 SFO 14:20 DEN 18:11 2h 51m 226 71% 0.0% 60 min
UA 1430 SFO 16:10 DEN 20:01 2h 51m 278 79% 0.0% 58 min
UA 1214 SFO 17:30 DEN 21:28 2h 58m 27 81% 0.0% 55 min
UA 2436 SFO 18:56 DEN 22:44 2h 48m 207 88% 0.0% 75 min
UA 2019 SFO 19:56 DEN 23:43 2h 47m 72 88% 0.0% 53 min
UA 301 SFO 21:00 DEN 00:47 2h 47m 207 86% 0.5% 50 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 SFO DEN 2h 40m 83% 0.2% 3,410 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