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

No clear winner: United’s TUS → SFO flights land within a few points of 7 in 10 on time whatever the hour.

Best time to leave 6–7 am 93% arrive on time from TUS
Best single flight UA 5583 TUS 15:28 → SFO 17:50 · 76% on time Avoid UA 4683 TUS 09:04 → SFO 11:25 · 65% 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
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13
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20
TUS
93
92
31
29
75
72
59
70
69
80
% 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 5583flown by SkyWest TUS 15:28 SFO 17:50 76%
UA 4683flown by SkyWest TUS 09:04 SFO 11:25 65%

All 2 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 4683flown by SkyWest TUS 09:04 SFO 11:25 2h 21m 333 65% 0.0% 58 min
UA 5583flown by SkyWest TUS 15:28 SFO 17:50 2h 22m 334 76% 0.3% 76 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 TUS SFO 2h 21m 71% 0.4% 945 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