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Route Reliability

Tucson → Seattle

TUS–SEA · 1,215 miles · Tucson International Airport to Seattle–Tacoma International Airport

93
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
2 min early
Average arrival delay
0.7%
Cancelled
1,065
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines90%365 flights
  2. 2.Alaska Airlines87%700 flights

What the data says

Morning flights do better here.

TUS–SEA flights departing between 9 AM–12 PM arrived on time 97% of the time, versus 75% between 3–6 PM.

Sunday scaries are real for this one.

TUS–SEA flights arrived on time 93% of the time on Saturdays. On Sundays: 82%.

Not much between Delta Air Lines and Alaska Airlines.

On this route they all land within 87% to 90% on time. Pick on schedule and price.

Ticking up lately.

TUS–SEA flights arrived on time 90% of the time over the last three months in the data, compared with 84% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon91%(155 flights)
  • Tue85%(150 flights)
  • Wed91%(150 flights)
  • Thu87%(154 flights)
  • Fri86%(153 flights)
  • Sat93%(137 flights)
  • Sun82%(159 flights)
On-time by departure window
  • 3–6 AM93%(15 flights)
  • 6–9 AM91%(340 flights)
  • 9 AM–12 PM97%(31 flights)
  • 12–3 PM89%(501 flights)
  • 3–6 PM75%(171 flights)
On-time trend by month
88%
May

Jun 82% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%90
July 202595%93
August 202589%93
September 202592%90
October 202589%81
November 202582%88
December 202578%85
January 202684%89
February 202691%80
March 202688%86
April 202693%90
May 202688%93

Keep nerding

Based on 1,065 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.