Dallas (DAL) to Salt Lake City (SLC): On-Time Performance
Data through July 2026
Dallas (DAL) to Salt Lake City (SLC) effectively runs on two schedules. In September 2024, 91% of arrivals were on time; in June 2026 that fell to 49% — a 42-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 60%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 1.8
- last 12 months
- Duration
- 2h 48m
- scheduled
- Distance
- 999 mi
Monthly on-time trend
Best time to fly from DAL to SLC
Aim for departures around 7 a.m. (95% on-time); avoid 9 p.m. departures (50%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 17 min |
| Tuesdaybest | 80% | 13 min |
| Wednesday | 79% | 11 min |
| Thursday | 74% | 15 min |
| Friday | 76% | 11 min |
| Saturday | 74% | 13 min |
| Sunday | 71% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations32%
- National airspace system9%
- Weather6%
Frequently asked questions
- How often are flights from DAL to SLC delayed?
- 25% of DAL–SLC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- What is the best time of day to fly from DAL to SLC?
- Departures around 7 a.m. have the best record (95% on-time), while departures around 9 p.m. have the worst (50%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DAL to SLC?
- The scheduled DAL–SLC flight time averages 2h 48m over 999 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are DAL to SLC flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DAL to SLC?
- June 2026 was the roughest month in this dataset, with only 49% of arrivals on time. The best was September 2024 at 91%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 1,425 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.