Historical on-time performance
Houston to Memphis
469 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–MEM arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 787 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time83%Medianon timep9045 minCancel0.2%Flights543
- United AirlinesOn-time68%Medianon timep9070 minCancel1.6%Flights244
Why flights run late
Delay causes
- Airline34%
- Weather6%
- Air traffic (NAS)16%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAH → MEM
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 63% to 88% on time.
- Mornings88% on time · p90 20 min · 331 flights
- Middays85% on time · p90 35 min · 326 flights
- Evenings75% on time · p90 30 min · 203 flights
- Overnights65% on time · p90 70 min · 891 flights
- Afternoons63% on time · p90 70 min · 224 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 80% on time.
- Wednesdays80% on time · p90 40 min · 283 flights
- Tuesdays77% on time · p90 55 min · 260 flights
- Thursdays73% on time · p90 55 min · 295 flights
- Saturdays73% on time · p90 65 min · 256 flights
- Mondays73% on time · p90 55 min · 302 flights
- Fridays69% on time · p90 55 min · 286 flights
- Sundays67% on time · p90 65 min · 293 flights
Advertisement
Keep exploring