BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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PBI→ORD

West Palm Beach/Palm Beach, FL (PBI) to Chicago, IL (ORD) flight delay odds

65.1% of 1,297 official scheduled PBI-to-ORD flights arrived on time; 22.7% arrived at least 30 minutes late and 1.9% 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 SIGNALVariable
65.1%arrived on time
22.7%30+ min late
1.9%cancelled
1,297scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late14.8%all scheduled flights
120+ minutes late7.5%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+26.4 mincompleted flights

Which departure time was most reliable for PBI to ORD?

Among qualifying PBI-to-ORD departure window results, Early morning had the highest on-time rate: 87.2% of 218 flights. Evening was lowest at 50.4% across 347 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning21887.2%8.3%0.9%
Late morning9983.8%7.1%0.0%
Afternoon63362.6%24.5%1.1%
Evening34750.4%33.1%4.6%

Which weekday was most reliable for PBI to ORD?

Among qualifying PBI-to-ORD weekday results, Wednesday had the highest on-time rate: 74.7% of 166 flights. Monday was lowest at 57.3% across 192 flights.

DayFlightsOn time30+ minCancelled
Monday19257.3%27.6%4.2%
Tuesday17471.8%15.5%1.1%
Wednesday16674.7%14.5%1.2%
Thursday18764.2%24.1%1.1%
Friday18760.4%25.1%2.7%
Saturday19966.3%21.1%1.5%
Sunday19262.5%29.7%1.6%

Which airline was most reliable for PBI to ORD?

Among qualifying PBI-to-ORD airline results, United Airlines had the highest on-time rate: 65.5% of 501 flights. American Airlines was lowest at 64.8% across 796 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines79664.8%23.7%2.6%
United Airlines50165.5%21.2%0.8%

Which month was most reliable for PBI to ORD?

Among qualifying PBI-to-ORD month results, September 2025 had the highest on-time rate: 75.0% of 48 flights. July 2025 was lowest at 45.2% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256245.2%38.7%4.8%
August 20255246.2%44.2%0.0%
September 20254875.0%14.6%0.0%
October 20258560.0%28.2%0.0%
November 202512064.2%26.7%3.3%
December 202515672.4%16.7%2.6%
January 202613666.2%20.6%1.5%
February 202613171.8%18.3%0.0%
March 202616459.8%18.3%3.0%
April 202612463.7%27.4%1.6%
May 202610571.4%20.0%1.9%
June 202611469.3%19.3%2.6%

What drove PBI to ORD delay minutes?

Late aircraft was the largest recorded PBI-to-ORD delay category, accounting for 42.5% of 41,466 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.4%
Late aircraft42.5%
National airspace24.8%
Weather4.3%
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.