Historical on-time performance
West Palm Beach to Chicago
Flights on PBI–ORD arrive on time 64% of the time over the last 12 months.
based on 1,237 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time65%Medianon timep9080 minCancel0.9%Flights441
- American AirlinesOn-time64%Medianon timep9090 minCancel2.3%Flights796
Why flights run late
Delay causes
- Airline29%
- Weather5%
- Air traffic (NAS)22%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline18%
- Weather64%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PBI → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 20 min · 467 flights
- Middays78% on time · p90 45 min · 946 flights
- Afternoons63% on time · p90 95 min · 1,125 flights
- Evenings59% on time · p90 95 min · 604 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 79% on time.
- Tuesdays79% on time · p90 40 min · 408 flights
- Wednesdays73% on time · p90 80 min · 414 flights
- Mondays70% on time · p90 85 min · 471 flights
- Saturdays70% on time · p90 70 min · 445 flights
- Fridays68% on time · p90 75 min · 476 flights
- Thursdays67% on time · p90 70 min · 458 flights
- Sundays65% on time · p90 95 min · 473 flights
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