IAH to CLT flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Charlotte Douglas International Airport · 912 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or CLT 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 Charlotte (CLT) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.9% were cancelled, and 8% arrived an hour or more late.
- American Airlines was the most punctual airline here (83% on time); Frontier Airlines was the least (70%).
- Departures scheduled around 11am did best (93% on time); around 3pm did worst (71%).
- Tuesday was the most reliable day to fly (85% on time) and Saturday the least (78%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from IAH to CLT?
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 |
|---|---|---|---|---|---|
| American Airlines | 83% | 1.7% | 23 min | 8.4% | 1,612 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 77% | 1.8% | 13 min | 7.3% | 111 |
| United Airlines | 77% | 1.1% | 14 min | 7.2% | 363 |
| Frontier Airlines | 70% | 4.2% | 19 min | 11.3% | 240 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am91%319 flights
- 7am87%144 flights
- 8am86%164 flights
- 9am89%137 flights
- 10am84%160 flights
- 11am93%111 flights
- 12pm77%198 flights
- 1pm77%50 flights
- 2pm92%63 flights
- 3pm71%204 flights
- 4pm75%65 flights
- 5pm72%195 flights
- 6pm73%504 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%2.5% cancelled
- Tuesday85%1.1% cancelled
- Wednesday85%1.0% cancelled
- Thursday80%0.8% cancelled
- Friday78%0.8% cancelled
- Saturday78%2.7% cancelled
- Sunday81%4.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)39%
- Air traffic control & airport congestion10%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather77%
- Airline (crew, maintenance, cleaning, fueling)18%
- Air traffic control & airport congestion5%
- Security0%
IAH to CLT: common questions
- How often are IAH to CLT flights on time?
- 81% 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 Charlotte cancelled?
- 1.9% of scheduled flights were cancelled (44 of 2,326).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 104 min behind schedule on average, and 8.4% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CLT to IAH — 78% 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 → CLT, nonstop flights by US airlines that report to the DOT. How we calculate this.