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

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

Historically, 75.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 8,930 flights.

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

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 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%

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
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%

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
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%

Monthly trend

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

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 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.

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.