Historical on-time performance
Houston to West Palm Beach
956 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–PBI arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 329 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time74%Medianon timep9055 minCancel0.6%Flights329
Why flights run late
Delay causes
- Airline26%
- Weather6%
- Air traffic (NAS)50%
- Late aircraft17%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAH → PBI
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 72% to 74% on time.
- Middays74% on time · p90 65 min · 673 flights
- Evenings72% on time · p90 60 min · 220 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 63% to 80% on time.
- Wednesdays80% on time · p90 55 min · 128 flights · limited
- Tuesdays80% on time · p90 45 min · 127 flights · limited
- Thursdays74% on time · p90 70 min · 129 flights · limited
- Saturdays74% on time · p90 55 min · 127 flights · limited
- Mondays72% on time · p90 65 min · 130 flights · limited
- Fridays71% on time · p90 45 min · 131 flights · limited
- Sundays63% on time · p90 75 min · 131 flights · limited
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