BNA to IAH flight delays & on-time performance
Nonstop flights from Nashville International Airport to George Bush Intercontinental Airport · 657 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BNA or IAH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Nashville (BNA) to Houston (IAH) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 6% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (88% on time); United Airlines was the least (82%).
- Departures scheduled around 10am did best (92% on time); around 3pm did worst (55%).
- Tuesday was the most reliable day to fly (88% on time) and Friday the least (79%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
Which airline is most on time from BNA to IAH?
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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 88% | 1.0% | 13 min | 5.0% | 382 |
| United Airlines | 82% | 0.7% | 14 min | 6.2% | 1,023 |
| Spirit Airlines | 0% | 0.0% | 34 min | 0.0% | 4 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am88%359 flights
- 8am88%232 flights
- 10am92%203 flights
- 11am81%69 flights
- 12pm90%77 flights
- 1pm71%21 flights
- 2pm84%88 flights
- 3pm55%61 flights
- 4pm65%81 flights
- 6pm75%210 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%1.3% cancelled
- Tuesday88%0.6% cancelled
- Wednesday86%0.0% cancelled
- Thursday82%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday88%1.9% cancelled
- Sunday81%1.9% 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)39%
- Late-arriving aircraft29%
- Air traffic control & airport congestion25%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather82%
- Airline (crew, maintenance, cleaning, fueling)18%
- Air traffic control & airport congestion0%
- Security0%
BNA to IAH: common questions
- How often are BNA to IAH flights on time?
- 83% 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 Nashville to Houston cancelled?
- 0.8% of scheduled flights were cancelled (11 of 1,409).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 77 min behind schedule on average, and 5.9% of flights were an hour or more late.
- How long is taxi time at BNA?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAH to BNA — 73% on time
More flights from Nashville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BNA → IAH, nonstop flights by US airlines that report to the DOT. How we calculate this.