Historical on-time performance
Houston to Memphis
484 miData through May 2026Source: US DOT · BTS
Flights on HOU–MEM arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 811 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time72%Medianon timep9035 minCancel1.1%Flights811
Why flights run late
Delay causes
- Airline27%
- Weather4%
- Air traffic (NAS)10%
- Late aircraft59%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather56%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 9 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 HOU → MEM
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 — 85% on time.
- Middays85% on time · p90 20 min · 836 flights
- Evenings73% on time · p90 35 min · 587 flights
- Afternoons67% on time · p90 45 min · 249 flights
- Overnights66% on time · p90 55 min · 475 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 82% on time.
- Tuesdays82% on time · p90 30 min · 285 flights
- Wednesdays78% on time · p90 30 min · 286 flights
- Sundays76% on time · p90 40 min · 319 flights
- Saturdays75% on time · p90 40 min · 181 flights · limited
- Fridays74% on time · p90 35 min · 367 flights
- Mondays74% on time · p90 40 min · 363 flights
- Thursdays74% on time · p90 45 min · 368 flights
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