Salt Lake City (SLC) to Houston (HOU): On-Time Performance
Data through May 2026
Salt Lake City (SLC) to Houston (HOU) effectively runs on two schedules. In September 2025, 100% of arrivals were on time; in July 2025 that fell to 59% — a 41-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 1.1
- last 12 months
- Duration
- 3h 1m
- scheduled
- Distance
- 1,214 mi
Monthly on-time trend
Best time to fly from SLC to HOU
Aim for departures around 5 a.m. (93% on-time); avoid 3 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 11 min |
| Tuesday | 77% | 14 min |
| Wednesdaybest | 88% | 6 min |
| Thursday | 80% | 10 min |
| Friday | 80% | 8 min |
| Saturday | 80% | 11 min |
| Sunday | 82% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations32%
- National airspace system22%
Frequently asked questions
- How often are flights from SLC to HOU delayed?
- 19% of SLC–HOU 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 10 minutes.
- What is the best time of day to fly from SLC to HOU?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 3 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to HOU?
- The scheduled SLC–HOU flight time averages 3h 1m over 1,214 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are SLC to HOU flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to HOU?
- July 2025 was the roughest month in this dataset, with only 59% of arrivals on time. The best was September 2025 at 100%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 817 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.