85% of TUS → SEA flights arrived on time in June-August 2026 (267 flights). The most reliable was OO 3361, on time 91% of the time on this route. Morning flights did best (88%), afternoon flights worst (78%). TUS (TUS): no delay reported. Seattle (SEA): no delay reported.
Best time of day to fly TUS → SEA
| Morning (before noon) | |
| Afternoon (noon-5 PM) |
Flights TUS → SEA, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| OO 3361 SkyWest | 7:10 AM | 0% | |
| OO 3679 SkyWest | 11:53 AM | 0% | |
| AS 641 Alaska Airlines | 2:29 PM | 0% |
SEA conditions · SEA → TUS · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.