IAH to BNA flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Nashville International Airport · 657 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or BNA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Nashville (BNA) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.6% were cancelled, and 8% arrived an hour or more late.
- United Airlines was the most punctual airline here (74% on time); SkyWest Airlines was the least (69%).
- Departures scheduled around 7am did best (87% on time); around 4pm did worst (61%).
- Wednesday was the most reliable day to fly (81% on time) and Friday the least (69%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (32%).
Which airline is most on time from IAH to BNA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 74% | 0.5% | 15 min | 6.6% | 1,024 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 69% | 0.8% | 24 min | 11.4% | 380 |
| Spirit Airlines | 50% | 0.0% | 12 min | 0.0% | 4 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am87%270 flights
- 11am80%131 flights
- 12pm68%53 flights
- 1pm83%42 flights
- 2pm76%145 flights
- 3pm64%55 flights
- 4pm61%171 flights
- 6pm69%337 flights
- 7pm67%27 flights
- 8pm66%159 flights
- 9pm75%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.4% cancelled
- Tuesday69%0.0% cancelled
- Wednesday81%0.0% cancelled
- Thursday70%0.0% cancelled
- Friday69%0.0% cancelled
- Saturday75%1.2% cancelled
- Sunday72%2.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)32%
- Late-arriving aircraft31%
- Air traffic control & airport congestion28%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
IAH to BNA: common questions
- How often are IAH to BNA flights on time?
- 73% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Nashville cancelled?
- 0.6% of scheduled flights were cancelled (8 of 1,408).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 7.9% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BNA to IAH — 83% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → BNA, nonstop flights by US airlines that report to the DOT. How we calculate this.