Historical on-time performance
West Palm Beach to Boston
Flights on PBI–BOS arrive on time 63% of the time over the last 12 months.
based on 2,187 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-time64%Medianon timep9075 minCancel3.1%Flights613
- JetBlue AirwaysOn-time63%Medianon timep9085 minCancel3.4%Flights1,574
Why flights run late
Delay causes
- Airline26%
- Weather1%
- Air traffic (NAS)25%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline36%
- Weather51%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 72 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 → BOS
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 — 92% on time.
- Mornings92% on time · p90 5 min · 1,320 flights
- Middays71% on time · p90 55 min · 2,214 flights
- Overnights59% on time · p90 90 min · 626 flights
- Afternoons57% on time · p90 100 min · 800 flights
- Evenings57% on time · p90 100 min · 1,237 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 63% to 76% on time.
- Saturdays76% on time · p90 45 min · 883 flights
- Tuesdays75% on time · p90 45 min · 830 flights
- Wednesdays73% on time · p90 60 min · 812 flights
- Fridays69% on time · p90 70 min · 925 flights
- Mondays65% on time · p90 80 min · 914 flights
- Thursdays65% on time · p90 80 min · 897 flights
- Sundays63% on time · p90 95 min · 936 flights
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