1,065 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 84% on time.

Best time to leave 8–9 am 95% arrive on time from SEA

Best single flight AS 648 SEA 10:19 → TUS 13:31 · 80% 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).

SEA

% 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.


Delta (incl. SkyWest)	365	90%	0.5%	66 min
Alaska (incl. SkyWest)	700	80%	0.4%	45 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.


AS 648	SEA 10:19	TUS 13:31	80%

All 4 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.


DL 3680flown by SkyWest	SEA 08:25	TUS 11:47	3h 22m	86	94%	0.0%	33 min
AS 648	SEA 10:19	TUS 13:31	3h 12m	359	80%	0.3%	42 min
AS 3225flown by SkyWest	SEA 17:45	TUS 21:05	3h 20m	52	88%	0.0%	131 min
AS 3110flown by SkyWest	SEA 19:22	TUS 22:37	3h 15m	27	85%	0.0%	54 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.


Delta	SEA	TUS	3h 07m	90%	0.5%	365	Flying now
Alaska	SEA	TUS	3h 17m	80%	0.4%	700	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