Historical on-time performance
Boston to West Palm Beach
1,197 miData through Dec 2025Source: US DOT · BTS
Flights on BOS–PBI arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 2,230 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.
- Delta Air LinesOn-time67%Medianon timep9075 minCancel1.0%Flights603
- JetBlue AirwaysOn-time64%Medianon timep9075 minCancel1.8%Flights1,627
Why flights run late
Delay causes
- Airline28%
- Weather3%
- Air traffic (NAS)34%
- Late aircraft34%
- Security0%
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 BOS → 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 — 80% on time.
- Mornings80% on time · p90 30 min · 1,973 flights
- Middays63% on time · p90 85 min · 724 flights
- Evenings62% on time · p90 95 min · 689 flights
- Overnights60% on time · p90 105 min · 636 flights
- Afternoons58% on time · p90 90 min · 1,977 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 60% to 74% on time.
- Wednesdays74% on time · p90 50 min · 805 flights
- Tuesdays72% on time · p90 50 min · 804 flights
- Saturdays70% on time · p90 80 min · 850 flights
- Thursdays64% on time · p90 80 min · 876 flights
- Fridays63% on time · p90 80 min · 878 flights
- Mondays63% on time · p90 80 min · 892 flights
- Sundays60% on time · p90 105 min · 894 flights
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