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

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

76.4% of 8,920 official scheduled PHX-to-DEN flights arrived on time; 14.9% arrived at least 30 minutes late and 0.7% 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
76.4%arrived on time
14.9%30+ min late
0.7%cancelled
8,920scheduled 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
Diverted0.3%did not reach as scheduled
Average arrival+8.9 mincompleted flights

Which departure time was most reliable for PHX to DEN?

Among qualifying PHX-to-DEN departure window results, Early morning had the highest on-time rate: 89.6% of 2,207 flights. Night was lowest at 67.4% across 380 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning2,20789.6%5.5%0.2%
Late morning1,55382.2%9.7%0.9%
Afternoon3,09969.7%19.5%1.1%
Evening1,68168.4%21.7%0.5%
Night38067.4%22.9%0.5%

Which weekday was most reliable for PHX to DEN?

Among qualifying PHX-to-DEN weekday results, Saturday had the highest on-time rate: 80.9% of 1,093 flights. Sunday was lowest at 72.7% across 1,350 flights.

DayFlightsOn time30+ minCancelled
Monday1,35876.5%16.3%0.7%
Tuesday1,18579.1%13.2%0.4%
Wednesday1,21877.5%13.9%0.9%
Thursday1,35875.4%16.4%0.5%
Friday1,35874.4%16.0%1.2%
Saturday1,09380.9%11.4%0.5%
Sunday1,35072.7%16.0%0.6%

Which airline was most reliable for PHX to DEN?

Among qualifying PHX-to-DEN airline results, United Airlines had the highest on-time rate: 82.7% of 2,370 flights. Southwest Airlines was lowest at 72.0% across 3,942 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines3,94272.0%17.3%0.8%
United Airlines2,37082.7%11.2%0.6%
Frontier Airlines1,42779.3%13.5%0.6%
American Airlines97474.2%16.9%0.6%
Envoy Air18981.0%10.1%0.5%
SkyWest Airlines1866.7%33.3%0.0%

Which month was most reliable for PHX to DEN?

Among qualifying PHX-to-DEN month results, April 2026 had the highest on-time rate: 85.7% of 826 flights. July 2025 was lowest at 62.3% across 658 flights.

MonthFlightsOn time30+ minCancelled
July 202565862.3%24.8%1.7%
August 202561370.8%20.7%0.8%
September 202566277.3%13.6%0.6%
October 202580279.4%12.8%0.1%
November 202576977.2%13.9%2.3%
December 202577177.2%14.0%0.8%
January 202673182.2%9.4%1.0%
February 202672282.4%13.0%0.3%
March 202692274.1%17.9%0.5%
April 202682685.7%7.7%0.0%
May 202676875.9%13.0%0.4%
June 202667669.1%20.4%0.0%

What drove PHX to DEN delay minutes?

Late aircraft was the largest recorded PHX-to-DEN delay category, accounting for 46.7% of 131,357 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.5%
Late aircraft46.7%
National airspace26.6%
Weather2.0%
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.