Historical on-time performance
Boston to West Palm Beach
1,197 miData through May 2026Source: US DOT · BTS
Flights on BOS–PBI arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled3.1%of scheduled flights
based on 2,189 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time68%Medianon timep9070 minCancel2.4%Flights613
- JetBlue AirwaysOn-time62%Medianon timep9080 minCancel3.3%Flights1,576
Why flights run late
Delay causes
- Airline28%
- Weather4%
- Air traffic (NAS)28%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline34%
- Weather49%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 67 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 BOS → PBI
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 — 79% on time.
- Mornings79% on time · p90 30 min · 2,202 flights
- Middays63% on time · p90 75 min · 847 flights
- Evenings62% on time · p90 95 min · 564 flights
- Overnights61% on time · p90 105 min · 638 flights
- Afternoons57% on time · p90 90 min · 1,948 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 61% to 72% on time.
- Tuesdays72% on time · p90 55 min · 816 flights
- Wednesdays71% on time · p90 50 min · 820 flights
- Saturdays71% on time · p90 75 min · 887 flights
- Fridays66% on time · p90 80 min · 925 flights
- Mondays63% on time · p90 70 min · 913 flights
- Thursdays63% on time · p90 75 min · 911 flights
- Sundays61% on time · p90 95 min · 927 flights
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