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

Detroit, MI (DTW) to Phoenix, AZ (PHX) flight delay odds

Historically, 75.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,425 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
75.8%arrived on time
15.5%30+ min late
0.7%cancelled
2,425scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.5%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+10.5 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 morning86979.7%12.4%1.0%
Late morning7677.6%11.8%2.6%
Afternoon64575.2%16.6%0.6%
Evening80772.1%18.1%0.4%

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
Monday36172.0%19.1%1.1%
Tuesday31678.2%10.8%0.6%
Wednesday31280.8%13.5%1.0%
Thursday36580.3%12.9%0.0%
Friday35175.5%15.7%0.9%
Saturday34376.7%15.7%0.3%
Sunday37768.4%19.6%1.3%

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
Delta Air Lines1,33374.1%16.6%0.5%
American Airlines62878.7%12.7%0.8%
Frontier Airlines31073.9%19.0%1.3%
Spirit Airlines12483.1%9.7%1.6%
Southwest Airlines3080.0%10.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202523874.4%16.4%1.3%
August 202518683.3%11.8%0.0%
September 202518384.2%9.3%0.0%
October 202521685.6%9.7%0.0%
November 202519771.6%18.3%0.5%
December 202522057.3%25.9%1.8%
January 202618356.8%29.5%2.7%
February 202615974.2%15.1%0.0%
March 202621686.1%6.9%1.4%
April 202621181.0%13.7%0.0%
May 202621779.7%13.4%0.5%
June 202619974.4%16.1%0.5%

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.

Airline48.5%
Late aircraft32.6%
National airspace16.9%
Weather1.9%
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.