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

Denver, CO (DEN) to Phoenix, AZ (PHX) flight delay odds

75.0% of 8,930 official scheduled DEN-to-PHX flights arrived on time; 15.6% arrived at least 30 minutes late and 0.8% 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
75.0%arrived on time
15.6%30+ min late
0.8%cancelled
8,930scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.8%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+9.7 mincompleted flights

Which departure time was most reliable for DEN to PHX?

Among qualifying DEN-to-PHX departure window results, Early morning had the highest on-time rate: 86.3% of 1,982 flights. Night was lowest at 61.5% across 685 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,98286.3%7.2%0.9%
Late morning1,53982.3%9.8%0.6%
Afternoon2,54475.2%14.9%1.0%
Evening2,18063.7%25.3%0.5%
Night68561.5%25.3%1.0%

Which weekday was most reliable for DEN to PHX?

Among qualifying DEN-to-PHX weekday results, Tuesday had the highest on-time rate: 79.2% of 1,193 flights. Friday was lowest at 72.3% across 1,354 flights.

DayFlightsOn time30+ minCancelled
Monday1,35773.8%16.9%0.9%
Tuesday1,19379.2%13.3%0.5%
Wednesday1,21476.4%14.2%1.0%
Thursday1,35772.8%17.4%0.5%
Friday1,35472.3%17.4%1.4%
Saturday1,10278.8%12.0%1.0%
Sunday1,35373.4%17.1%0.3%

Which airline was most reliable for DEN to PHX?

Among qualifying DEN-to-PHX airline results, United Airlines had the highest on-time rate: 80.2% of 2,369 flights. Southwest Airlines was lowest at 71.1% across 3,950 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines3,95071.1%17.5%1.1%
United Airlines2,36980.2%12.7%0.3%
Frontier Airlines1,43276.8%15.2%0.6%
American Airlines97276.2%15.7%0.8%
Envoy Air18972.5%16.9%0.5%
SkyWest Airlines1877.8%5.6%0.0%

Which month was most reliable for DEN to PHX?

Among qualifying DEN-to-PHX month results, April 2026 had the highest on-time rate: 84.5% of 824 flights. July 2025 was lowest at 60.2% across 658 flights.

MonthFlightsOn time30+ minCancelled
July 202565860.2%26.6%1.5%
August 202561273.5%18.0%0.7%
September 202566575.9%13.4%1.1%
October 202580274.7%15.0%0.2%
November 202576772.9%17.7%2.1%
December 202577575.7%15.6%0.5%
January 202673679.5%12.9%1.0%
February 202672282.5%10.1%0.4%
March 202691876.5%16.2%0.7%
April 202682484.5%7.2%0.4%
May 202676875.3%14.5%0.5%
June 202668365.6%23.1%0.7%

What drove DEN to PHX delay minutes?

Late aircraft was the largest recorded DEN-to-PHX delay category, accounting for 47.1% of 143,711 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.3%
Late aircraft47.1%
National airspace15.1%
Weather1.4%
Security0.1%
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.