Historical on-time performance
Houston to Atlanta
696 miData through May 2026Source: US DOT · BTS
Flights on HOU–ATL arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 2,953 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time82%Medianon timep9030 minCancel2.0%Flights1,436
- Southwest AirlinesOn-time75%Medianon timep9040 minCancel0.8%Flights1,517
Why flights run late
Delay causes
- Airline44%
- Weather3%
- Air traffic (NAS)14%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline63%
- Weather32%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 41 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 → ATL
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 — 90% on time.
- Mornings90% on time · p90 10 min · 2,441 flights
- Middays84% on time · p90 25 min · 2,746 flights
- Afternoons76% on time · p90 50 min · 1,649 flights
- Evenings74% on time · p90 50 min · 2,014 flights
- Overnights65% on time · p90 65 min · 556 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 85% on time.
- Wednesdays85% on time · p90 25 min · 1,310 flights
- Tuesdays84% on time · p90 25 min · 1,313 flights
- Thursdays82% on time · p90 25 min · 1,388 flights
- Saturdays81% on time · p90 30 min · 1,192 flights
- Mondays79% on time · p90 40 min · 1,392 flights
- Fridays78% on time · p90 40 min · 1,400 flights
- Sundays78% on time · p90 40 min · 1,411 flights
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