Route
TUS → SEA
Tucson International Airport Seattle–Tacoma International Airport
1,215 miles
Return route SEA → TUS →
How punctual is this route?
- On-time arrivals
- 85.9%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,065
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Airline (crew, maintenance, cleaning) 42%
- Air traffic control & airport 8%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.1% | 90 |
| October 2025 | 88.9% | 82 |
| November 2025 | 81.8% | 89 |
| December 2025 | 74.1% | 85 |
| January 2026 | 83.1% | 89 |
| February 2026 | 91.2% | 80 |
| March 2026 | 87.2% | 91 |
| April 2026 | 92.2% | 90 |
| May 2026 | 88.2% | 93 |
| June 2026 | 81.1% | 90 |
| July 2026 | 84.9% | 93 |
| August 2026 | 87.1% | 93 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 556 | 84.6% | 0.9% | 53 min |
| SkyWest Airlines | 371 | 86.8% | 0.0% | 79 min |
| Delta Air Lines | 138 | 89.0% | 1.4% | 159 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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