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

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

Historically, 86.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,065 flights.

HISTORICAL ROUTE SIGNALLower disruption
86.4%arrived on time
6.7%30+ min late
0.7%cancelled
1,065scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.3%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-1.5 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning35889.9%4.5%0.8%
Late morning6186.9%3.3%0.0%
Afternoon64684.4%8.2%0.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday15689.1%5.8%0.6%
Tuesday15385.0%9.8%0.0%
Wednesday15090.0%5.3%0.0%
Thursday15586.5%5.8%0.6%
Friday15681.4%10.3%1.9%
Saturday13991.4%2.9%1.4%
Sunday15682.1%6.4%0.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines55685.4%6.7%0.9%
SkyWest Airlines37187.3%6.5%0.0%
Delta Air Lines13887.7%7.2%1.4%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20259394.6%4.3%0.0%
August 20259389.2%4.3%0.0%
September 20259091.1%5.6%0.0%
October 20258287.8%9.8%1.2%
November 20258980.9%9.0%1.1%
December 20258574.1%9.4%0.0%
January 20268983.1%9.0%0.0%
February 20268091.2%3.8%0.0%
March 20269182.4%3.3%5.5%
April 20269092.2%6.7%0.0%
May 20269388.2%5.4%0.0%
June 20269081.1%10.0%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline43.9%
Late aircraft42.8%
National airspace8.5%
Weather4.5%
Security0.3%
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.