BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SEA→TUS

Seattle, WA (SEA) to Tucson, AZ (TUS) flight delay odds

81.4% of 1,065 official scheduled SEA-to-TUS flights arrived on time; 9.4% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
81.4%arrived on time
9.4%30+ min late
0.5%cancelled
1,065scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.2%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+1.3 mincompleted flights

Which departure time was most reliable for SEA to TUS?

Among qualifying SEA-to-TUS departure window results, Early morning had the highest on-time rate: 94.3% of 212 flights. Evening was lowest at 74.6% across 335 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning21294.3%2.8%0.0%
Late morning51180.4%10.6%0.6%
Evening33574.6%11.6%0.6%

Which weekday was most reliable for SEA to TUS?

Among qualifying SEA-to-TUS weekday results, Wednesday had the highest on-time rate: 85.3% of 150 flights. Sunday was lowest at 73.7% across 156 flights.

DayFlightsOn time30+ minCancelled
Monday15682.1%10.3%0.6%
Tuesday15282.9%9.9%0.0%
Wednesday15085.3%4.7%0.0%
Thursday15581.3%10.3%0.6%
Friday15680.8%9.0%1.3%
Saturday14084.3%6.4%0.7%
Sunday15673.7%14.7%0.0%

Which airline was most reliable for SEA to TUS?

Among qualifying SEA-to-TUS airline results, SkyWest Airlines had the highest on-time rate: 83.0% of 371 flights. Alaska Airlines was lowest at 80.0% across 556 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines55680.0%10.1%0.5%
SkyWest Airlines37183.0%8.9%0.0%
Delta Air Lines13882.6%8.0%1.4%

Which month was most reliable for SEA to TUS?

Among qualifying SEA-to-TUS month results, April 2026 had the highest on-time rate: 95.6% of 90 flights. November 2025 was lowest at 68.5% across 89 flights.

MonthFlightsOn time30+ minCancelled
July 20259378.5%10.8%0.0%
August 20259387.1%7.5%0.0%
September 20259086.7%6.7%0.0%
October 20258383.1%8.4%1.2%
November 20258968.5%12.4%0.0%
December 20258569.4%15.3%0.0%
January 20268974.2%15.7%0.0%
February 20268081.2%7.5%0.0%
March 20269176.9%8.8%4.4%
April 20269095.6%2.2%0.0%
May 20269287.0%8.7%0.0%
June 20269087.8%8.9%0.0%

What drove SEA to TUS delay minutes?

Airline was the largest recorded SEA-to-TUS delay category, accounting for 48.8% of 8,922 BTS-attributed delay minutes during July 2025–June 2026.

Airline48.8%
Late aircraft33.3%
National airspace12.6%
Weather5.4%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.