Historical on-time performance
Houston to Nashville
657 miData through May 2026Source: US DOT · BTS
Flights on IAH–BNA arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 1,342 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time73%Medianon timep9055 minCancel0.6%Flights994
- SkyWest AirlinesOn-time67%Medianon timep9075 minCancel1.4%Flights348
Why flights run late
Delay causes
- Airline30%
- Weather11%
- Air traffic (NAS)24%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather91%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 11 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 → BNA
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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,201 flights
- Middays81% on time · p90 35 min · 972 flights
- Afternoons74% on time · p90 55 min · 1,424 flights
- Evenings69% on time · p90 70 min · 1,243 flights
- Overnights61% on time · p90 80 min · 534 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 79% on time.
- Saturdays79% on time · p90 45 min · 599 flights
- Wednesdays79% on time · p90 40 min · 782 flights
- Tuesdays78% on time · p90 50 min · 726 flights
- Thursdays75% on time · p90 55 min · 833 flights
- Mondays75% on time · p90 45 min · 840 flights
- Fridays75% on time · p90 60 min · 826 flights
- Sundays74% on time · p90 55 min · 769 flights
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