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

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

67.6% of 1,298 official scheduled ORD-to-PBI flights arrived on time; 21.6% arrived at least 30 minutes late and 1.7% 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
67.6%arrived on time
21.6%30+ min late
1.7%cancelled
1,298scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.6%all scheduled flights
120+ minutes late5.3%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+17.3 mincompleted flights

Which departure time was most reliable for ORD to PBI?

Among qualifying ORD-to-PBI departure window results, Early morning had the highest on-time rate: 73.1% of 283 flights. Evening was lowest at 62.5% across 128 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning28373.1%16.3%2.1%
Late morning40469.3%20.0%0.7%
Afternoon48264.3%24.7%1.7%
Evening12862.5%27.3%3.1%

Which weekday was most reliable for ORD to PBI?

Among qualifying ORD-to-PBI weekday results, Tuesday had the highest on-time rate: 80.0% of 175 flights. Sunday was lowest at 62.3% across 191 flights.

DayFlightsOn time30+ minCancelled
Monday19064.2%24.2%4.7%
Tuesday17580.0%13.7%0.6%
Wednesday16972.2%18.3%0.6%
Thursday18864.4%20.7%1.6%
Friday18664.5%24.7%2.2%
Saturday19966.8%21.1%1.5%
Sunday19162.3%27.7%0.5%

Which airline was most reliable for ORD to PBI?

Among qualifying ORD-to-PBI airline results, United Airlines had the highest on-time rate: 72.9% of 502 flights. American Airlines was lowest at 64.2% across 796 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines79664.2%25.3%2.5%
United Airlines50272.9%15.9%0.4%

Which month was most reliable for ORD to PBI?

Among qualifying ORD-to-PBI month results, June 2026 had the highest on-time rate: 77.2% of 114 flights. March 2026 was lowest at 58.9% across 163 flights.

MonthFlightsOn time30+ minCancelled
July 20256259.7%29.0%4.8%
August 20255263.5%26.9%0.0%
September 20254864.6%27.1%0.0%
October 20258570.6%21.2%0.0%
November 202512069.2%22.5%3.3%
December 202515966.7%25.8%1.9%
January 202613665.4%24.3%1.5%
February 202613174.8%12.2%0.0%
March 202616358.9%23.9%3.1%
April 202612464.5%25.8%1.6%
May 202610473.1%18.3%0.0%
June 202611477.2%9.6%2.6%

What drove ORD to PBI delay minutes?

Late aircraft was the largest recorded ORD-to-PBI delay category, accounting for 50.4% of 31,198 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.1%
Late aircraft50.4%
National airspace23.2%
Weather2.0%
Security0.2%
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.