Historical on-time performance
Houston to Sacramento
Flights on IAH–SMF arrive on time 79% of the time over the last 12 months.
based on 676 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time79%Medianon timep9040 minCancel0.3%Flights676
Why flights run late
Delay causes
- Airline41%
- Weather3%
- Air traffic (NAS)9%
- Late aircraft46%
- 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 2 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 IAH → SMF
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 67% to 85% on time.
- Mornings85% on time · p90 30 min · 455 flights
- Middays82% on time · p90 30 min · 171 flights · limited
- Overnights72% on time · p90 60 min · 576 flights
- Evenings67% on time · p90 65 min · 517 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 80% on time.
- Tuesdays80% on time · p90 35 min · 252 flights
- Wednesdays77% on time · p90 45 min · 259 flights
- Fridays76% on time · p90 50 min · 259 flights
- Mondays75% on time · p90 60 min · 258 flights
- Thursdays74% on time · p90 45 min · 258 flights
- Sundays72% on time · p90 65 min · 235 flights
- Saturdays70% on time · p90 65 min · 198 flights · limited
Keep exploring