FlightRecord

Chicago (ORD) to West Palm Beach/Palm Beach (PBI): On-Time Performance

Data through July 2026

Chicago (ORD) to West Palm Beach/Palm Beach (PBI) effectively runs on two schedules. In October 2024, 96% of arrivals were on time; in July 2024 that fell to 55% — a 42-point seasonal swing. Across the full period the route averages 73% on-time against a national 78%. Morning departures also hold up better than evening ones (77% vs 64%), which matters most in the rough months.

On-time
73%
arrived <15 min late
Avg delay
20 min
completed flights
Cancelled
1.2%
Flights/day
3.6
last 12 months
Duration
3h 6m
scheduled
Distance
1,144 mi

Best airline from ORD to PBI

2 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
United Airlinesmost reliable77%17 min0.2%968
American Airlines71%23 min1.9%1,398

Monthly on-time trend

Monthly on-time percentage for ORD to PBI flights50%75%100%August 2024: 83% on-time (31 flights)83Aug 2024September 2024: 88% on-time (8 flights)88October 2024: 96% on-time (56 flights)96November 2024: 91% on-time (76 flights)91Nov 2024December 2024: 64% on-time (119 flights)64January 2025: 80% on-time (146 flights)80February 2025: 79% on-time (138 flights)79Feb 2025March 2025: 71% on-time (159 flights)71April 2025: 87% on-time (120 flights)87May 2025: 86% on-time (79 flights)86May 2025June 2025: 68% on-time (60 flights)68July 2025: 63% on-time (62 flights)63August 2025: 64% on-time (52 flights)64Aug 2025September 2025: 65% on-time (48 flights)65October 2025: 71% on-time (85 flights)71November 2025: 72% on-time (120 flights)72Nov 2025December 2025: 68% on-time (159 flights)68January 2026: 66% on-time (136 flights)66February 2026: 75% on-time (131 flights)75Feb 2026March 2026: 61% on-time (163 flights)61April 2026: 66% on-time (124 flights)66May 2026: 73% on-time (104 flights)73May 2026June 2026: 79% on-time (114 flights)79July 2026: 80% on-time (93 flights)80

Best time to fly from ORD to PBI

Aim for departures around 6 a.m. (82% on-time); avoid 1 p.m. departures (61%).

On-time percentage by scheduled departure hour, ORD to PBI6 a.m.: 82% on-time (56 flights)67 a.m.: 82% on-time (278 flights)78 a.m.: 78% on-time (374 flights)89 a.m.: 70% on-time (39 flights)910 a.m.: 78% on-time (503 flights)1011 a.m.: 70% on-time (260 flights)1112 p.m.: 70% on-time (291 flights)121 p.m.: 61% on-time (306 flights)133 p.m.: 75% on-time (36 flights)154 p.m.: 74% on-time (111 flights)165 p.m.: 67% on-time (45 flights)177 p.m.: 61% on-time (80 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday73%23 min
Tuesdaybest86%11 min
Wednesday78%14 min
Thursday71%19 min
Friday69%23 min
Saturday71%22 min
Sunday66%28 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft46%
  • Airline operations22%
  • National airspace system28%
  • Weather4%

Frequently asked questions

How often are flights from ORD to PBI delayed?
27% of ORD–PBI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
Which airline is most reliable from ORD to PBI?
United Airlines has the best on-time record on this route at 77%, based on 968 flights. 2 airlines flew ORD–PBI frequently enough to compare in this period.
What is the best time of day to fly from ORD to PBI?
Departures around 6 a.m. have the best record (82% on-time), while departures around 1 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from ORD to PBI?
The scheduled ORD–PBI flight time averages 3h 6m over 1,144 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
How often are ORD to PBI flights cancelled?
1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from ORD to PBI?
July 2024 was the roughest month in this dataset, with only 55% of arrivals on time. The best was October 2024 at 96%. If your dates are flexible, that 42-point gap is worth planning around.

Based on 2,414 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.