Route Reliability
Houston → CHA
IAH–CHA · 686 miles · George Bush Intercontinental Airport to CHA Airport
66
Usually Fine
WanderNerd Reliability Score
- 68%
- Arrive within 15 minutes
- 32 min
- Average arrival delay
- 0%
- Cancelled
- 126
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 68% of the time across 126 flights. No comparison to make.
What the data says
Departure time hasn't mattered much.
On-time rates stay between 68% and 68% across the day.
Sunday scaries are real for this one.
IAH–CHA flights arrived on time 100% of the time on Tuesdays and just 56% on Sundays. That gap is worth planning around.
It basically never cancels.
Out of 126 scheduled flights, only 0.0% were cancelled.
Flights on this route
The breakdown
- Mon61%(18 flights)
- Tue100%(18 flights)
- Wed83%(18 flights)
- Thu67%(18 flights)
- Fri56%(18 flights)
- Sat56%(18 flights)
- Sun56%(18 flights)
- 12–3 PM68%(63 flights)
- 6–9 PM68%(63 flights)
Keep nerding
Based on 126 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.