Route Reliability
Houston → Salt Lake City
IAH–SLC · 1,195 miles · George Bush Intercontinental Airport to Salt Lake City International Airport
- 83%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.5%
- Cancelled
- 2,186
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines83%1,011 flights
- 2.United Airlines83%1,175 flights
What the data says
Morning-you made the right choice.
IAH–SLC flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 77% between 6–9 PM.
Sunday scaries are real for this one.
IAH–SLC flights arrived on time 87% of the time on Tuesdays. On Sundays: 78%.
Not much between Delta Air Lines and United Airlines.
On this route they all land within 83% to 83% on time. Pick on schedule and price.
Slipping a little lately.
IAH–SLC flights arrived on time 81% of the time over the last three months in the data, compared with 88% in the three months before that.
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
- Mon80%(315 flights)
- Tue87%(309 flights)
- Wed80%(311 flights)
- Thu85%(315 flights)
- Fri82%(324 flights)
- Sat87%(278 flights)
- Sun78%(316 flights)
- 6–9 AM85%(393 flights)
- 9 AM–12 PM87%(600 flights)
- 12–3 PM83%(427 flights)
- 3–6 PM85%(87 flights)
- 6–9 PM77%(661 flights)
Jun 75% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 171 |
| July 2025 | 77% | 180 |
| August 2025 | 78% | 173 |
| September 2025 | 91% | 167 |
| October 2025 | 82% | 175 |
| November 2025 | 81% | 154 |
| December 2025 | 83% | 207 |
| January 2026 | 91% | 195 |
| February 2026 | 91% | 183 |
| March 2026 | 82% | 212 |
| April 2026 | 82% | 175 |
| May 2026 | 80% | 176 |
Same trip, other airports
Keep nerding
Based on 2,186 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.