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

Phoenix, AZ (PHX) to Chicago, IL (ORD) flight delay odds

74.6% of 5,593 official scheduled PHX-to-ORD flights arrived on time; 14.7% arrived at least 30 minutes late and 1.6% 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
74.6%arrived on time
14.7%30+ min late
1.6%cancelled
5,593scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.2%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+10.0 mincompleted flights

Which departure time was most reliable for PHX to ORD?

Among qualifying PHX-to-ORD departure window results, Early morning had the highest on-time rate: 86.0% of 1,474 flights. Evening was lowest at 66.9% across 695 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,47486.0%7.5%1.1%
Late morning1,00374.8%12.8%0.9%
Afternoon2,06267.9%19.1%1.6%
Evening69566.9%21.6%3.2%
Night35981.6%11.1%2.8%

Which weekday was most reliable for PHX to ORD?

Among qualifying PHX-to-ORD weekday results, Tuesday had the highest on-time rate: 79.6% of 780 flights. Monday was lowest at 70.2% across 823 flights.

DayFlightsOn time30+ minCancelled
Monday82370.2%19.1%1.8%
Tuesday78079.6%10.4%1.3%
Wednesday75276.3%13.7%0.9%
Thursday81576.1%12.6%2.0%
Friday82373.0%15.4%1.8%
Saturday77677.1%12.8%1.5%
Sunday82470.8%18.4%1.9%

Which airline was most reliable for PHX to ORD?

Among qualifying PHX-to-ORD airline results, United Airlines had the highest on-time rate: 76.5% of 1,937 flights. Southwest Airlines was lowest at 59.5% across 459 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines2,99476.5%14.0%2.2%
United Airlines1,93776.5%13.2%0.5%
Southwest Airlines45959.5%22.7%1.3%
Frontier Airlines20365.0%20.7%3.9%

Which month was most reliable for PHX to ORD?

Among qualifying PHX-to-ORD month results, February 2026 had the highest on-time rate: 84.7% of 445 flights. June 2026 was lowest at 66.2% across 414 flights.

MonthFlightsOn time30+ minCancelled
July 202543969.9%20.5%2.5%
August 202541676.0%13.9%1.9%
September 202543678.2%12.2%1.1%
October 202544078.2%11.6%0.5%
November 202544469.1%17.8%4.5%
December 202549079.2%11.4%0.4%
January 202644776.5%13.9%1.3%
February 202644584.7%6.3%0.0%
March 202658670.5%17.6%2.6%
April 202653772.1%15.5%2.2%
May 202649976.0%13.2%0.2%
June 202641466.2%22.5%2.2%

What drove PHX to ORD delay minutes?

National airspace was the largest recorded PHX-to-ORD delay category, accounting for 36.2% of 101,234 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.4%
Late aircraft32.9%
National airspace36.2%
Weather2.4%
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.