Route Reliability
Knoxville → Houston
TYS–IAH · 771 miles · McGhee Tyson Airport to George Bush Intercontinental Airport
- 82%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.3%
- Cancelled
- 1,397
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 1,397 flights. No comparison to make.
What the data says
Morning-you made the right choice.
TYS–IAH flights departing between 9 AM–12 PM arrived on time 86% of the time, versus 72% between 3–6 PM.
Friday is doing you no favors.
TYS–IAH flights arrived on time 85% of the time on Wednesdays. On Fridays: 78%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon79%(197 flights)
- Tue85%(192 flights)
- Wed85%(197 flights)
- Thu80%(197 flights)
- Fri78%(202 flights)
- Sat84%(184 flights)
- Sun81%(201 flights)
- 6–9 AM83%(355 flights)
- 9 AM–12 PM86%(518 flights)
- 12–3 PM85%(154 flights)
- 3–6 PM72%(343 flights)
Jun 69% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 118 |
| July 2025 | 81% | 120 |
| August 2025 | 79% | 120 |
| September 2025 | 92% | 114 |
| October 2025 | 82% | 124 |
| November 2025 | 82% | 119 |
| December 2025 | 75% | 118 |
| January 2026 | 85% | 103 |
| February 2026 | 90% | 106 |
| March 2026 | 83% | 117 |
| April 2026 | 89% | 119 |
| May 2026 | 74% | 92 |
Same trip, other airports
Keep nerding
Based on 1,397 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.