Chattanooga (CHA) to Houston (IAH): On-Time Performance
Data through May 2026
Chattanooga (CHA) to Houston (IAH) is a thinner route than most in this dataset — 125 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 57% arrived on time, noticeably below the national average of 78%.
- On-time
- 57%
- arrived <15 min late
- Avg delay
- 47 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.34
- last 12 months
- Duration
- 2h 24m
- scheduled
- Distance
- 686 mi
Best time to fly from CHA to IAH
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 47% | 103 min |
| Tuesday | 61% | 14 min |
| Wednesdaybest | 67% | 12 min |
| Thursday | 41% | 48 min |
| Friday | 61% | 31 min |
| Saturday | 56% | 82 min |
| Sunday | 61% | 43 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft19%
- Airline operations53%
- National airspace system16%
- Weather11%
Frequently asked questions
- How often are flights from CHA to IAH delayed?
- 44% of CHA–IAH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 47 minutes.
- How long is the flight from CHA to IAH?
- The scheduled CHA–IAH flight time averages 2h 24m over 686 miles. Actual arrival times vary — flights on this route land 15+ minutes late 44% of the time.
- How often are CHA to IAH flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
Explore related pages
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Based on 125 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.