Historical on-time performance
Chicago to West Palm Beach
1,144 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–PBI arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 1,159 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time69%Medianon timep9075 minCancel1.8%Flights740
- United AirlinesbestOn-time80%Medianon timep9050 minCancel0.0%Flights419
Why flights run late
Delay causes
- Airline23%
- Weather3%
- Air traffic (NAS)27%
- Late aircraft46%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → PBI
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 79% on time.
- Mornings79% on time · p90 35 min · 951 flights
- Middays73% on time · p90 70 min · 1,646 flights
- Evenings70% on time · p90 75 min · 211 flights
- Afternoons66% on time · p90 70 min · 70 flights · limited
Best day of week
Tuesdays are the most reliable day to fly this route — 86% on time.
- Tuesdays86% on time · p90 35 min · 373 flights
- Wednesdays76% on time · p90 55 min · 389 flights
- Mondays76% on time · p90 50 min · 431 flights
- Fridays75% on time · p90 65 min · 434 flights
- Saturdays73% on time · p90 70 min · 406 flights
- Thursdays73% on time · p90 55 min · 417 flights
- Sundays67% on time · p90 75 min · 429 flights
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