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

Denver, CO (DEN) to Tucson, AZ (TUS) flight delay odds

76.7% of 2,755 official scheduled DEN-to-TUS flights arrived on time; 14.2% arrived at least 30 minutes late and 0.4% 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 SIGNALGenerally reliable
76.7%arrived on time
14.2%30+ min late
0.4%cancelled
2,755scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+6.8 mincompleted flights

Which departure time was most reliable for DEN to TUS?

Among qualifying DEN-to-TUS departure window results, Early morning had the highest on-time rate: 87.7% of 511 flights. Night was lowest at 58.0% across 176 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning51187.7%5.5%1.0%
Late morning49884.3%10.0%0.2%
Afternoon88178.8%11.6%0.1%
Evening68965.3%22.9%0.1%
Night17658.0%30.1%1.1%

Which weekday was most reliable for DEN to TUS?

Among qualifying DEN-to-TUS weekday results, Tuesday had the highest on-time rate: 84.2% of 380 flights. Friday was lowest at 72.0% across 415 flights.

DayFlightsOn time30+ minCancelled
Monday40975.6%16.4%0.5%
Tuesday38084.2%11.3%0.3%
Wednesday36980.2%11.4%0.3%
Thursday40674.4%16.5%0.2%
Friday41572.0%15.2%0.5%
Saturday34480.2%12.2%0.3%
Sunday43272.2%15.5%0.5%

Which airline was most reliable for DEN to TUS?

Among qualifying DEN-to-TUS airline results, SkyWest Airlines had the highest on-time rate: 83.9% of 622 flights. Southwest Airlines was lowest at 70.1% across 1,202 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,20270.1%17.2%0.4%
United Airlines83680.4%12.3%0.1%
SkyWest Airlines62283.9%11.3%0.5%
Frontier Airlines9581.1%11.6%1.1%

Which month was most reliable for DEN to TUS?

Among qualifying DEN-to-TUS month results, November 2025 had the highest on-time rate: 87.1% of 264 flights. June 2026 was lowest at 60.5% across 147 flights.

MonthFlightsOn time30+ minCancelled
July 202516461.0%29.3%1.8%
August 202519177.0%15.7%0.0%
September 202519476.8%13.4%0.5%
October 202525779.0%9.7%0.0%
November 202526487.1%6.1%2.3%
December 202527073.3%18.1%0.0%
January 202625578.8%10.6%0.0%
February 202624680.1%12.6%0.0%
March 202627579.6%14.9%0.0%
April 202626081.9%9.6%0.0%
May 202623272.4%17.7%0.0%
June 202614760.5%21.8%0.0%

What drove DEN to TUS delay minutes?

Late aircraft was the largest recorded DEN-to-TUS delay category, accounting for 49.1% of 35,097 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.4%
Late aircraft49.1%
National airspace13.5%
Weather2.8%
Security0.2%
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.