Historical on-time performance
Raleigh-durham to Houston
1,050 miData through May 2026Source: US DOT · BTS
Flights on RDU–HOU arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 228 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9030 minCancel0.0%Flights228
Why flights run late
Delay causes
- Airline25%
- Weather0%
- Air traffic (NAS)11%
- Late aircraft64%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 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 RDU → HOU
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 90% on time.
- Middays90% on time · p90 15 min · 299 flights
- Evenings76% on time · p90 35 min · 338 flights
- Afternoons74% on time · p90 50 min · 194 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 87% on time.
- Tuesdays87% on time · p90 25 min · 120 flights · limited
- Mondays83% on time · p90 20 min · 133 flights · limited
- Wednesdays82% on time · p90 25 min · 120 flights · limited
- Saturdays80% on time · p90 40 min · 131 flights · limited
- Sundays79% on time · p90 30 min · 169 flights · limited
- Thursdays79% on time · p90 25 min · 135 flights · limited
- Fridays78% on time · p90 40 min · 135 flights · limited
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