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

Colorado Springs, CO (COS) to Phoenix, AZ (PHX) flight delay odds

Historically, 81.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 997 flights.

HISTORICAL ROUTE SIGNALLower disruption
81.3%arrived on time
10.7%30+ min late
0.1%cancelled
997scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.8 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 morning33293.7%4.2%0.3%
Late morning13585.2%5.9%0.0%
Afternoon25072.4%16.4%0.0%
Evening26374.5%14.8%0.0%

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
Monday15381.7%8.5%0.0%
Tuesday14288.0%7.7%0.0%
Wednesday13882.6%11.6%0.0%
Thursday15278.9%11.2%0.0%
Friday15074.7%15.3%0.0%
Saturday11488.6%7.9%0.9%
Sunday14877.0%12.2%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
Southwest Airlines99781.3%10.7%0.1%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20258479.8%14.3%0.0%
August 20257879.5%11.5%0.0%
September 20257783.1%9.1%0.0%
October 20258677.9%8.1%0.0%
November 20258673.3%14.0%0.0%
December 20259170.3%17.6%0.0%
January 20267290.3%6.9%0.0%
February 20267188.7%7.0%1.4%
March 20269195.6%3.3%0.0%
April 20268793.1%3.4%0.0%
May 20268878.4%15.9%0.0%
June 20268668.6%16.3%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.

Airline22.7%
Late aircraft58.6%
National airspace16.0%
Weather2.7%
Security0.0%
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.