Historical on-time performance
Boston to Houston
Flights on BOS–IAH arrive on time 80% of the time over the last 12 months.
based on 1,993 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.
- United AirlinesOn-time81%Medianon timep9035 minCancel1.6%Flights1,576
- JetBlue AirwaysOn-time76%Medianon timep9040 minCancel0.7%Flights417
Why flights run late
Delay causes
- Airline19%
- Weather1%
- Air traffic (NAS)33%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline18%
- Weather68%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 28 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 → IAH
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 — 85% on time.
- Mornings85% on time · p90 20 min · 2,246 flights
- Middays81% on time · p90 30 min · 1,402 flights
- Afternoons69% on time · p90 65 min · 1,485 flights
- Evenings64% on time · p90 80 min · 674 flights
- Overnights43% on time · p90 100 min · 126 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Wednesdays80% on time · p90 35 min · 841 flights
- Tuesdays79% on time · p90 35 min · 835 flights
- Saturdays79% on time · p90 40 min · 774 flights
- Sundays77% on time · p90 45 min · 861 flights
- Thursdays76% on time · p90 50 min · 869 flights
- Mondays74% on time · p90 55 min · 874 flights
- Fridays73% on time · p90 50 min · 879 flights
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