Dallas/Fort Worth (DFW) to Salt Lake City (SLC): On-Time Performance
Data through May 2026
The calendar drives reliability on DFW–SLC. October 2024 flights landed on schedule 84% of the time, but August 2025 dropped to 54% — a gap of 30 points. Across the full period the route averages 71% on-time against a national 78%. Morning departures also hold up better than evening ones (79% vs 62%), which matters most in the rough months.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 11
- last 12 months
- Duration
- 2h 51m
- scheduled
- Distance
- 989 mi
Best airline from DFW to SLC
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 81% | 18 min | 1.1% | 3,005 |
| Frontier Airlines | 74% | 20 min | 1.7% | 345 |
| American Airlines | 64% | 26 min | 2.6% | 4,449 |
Monthly on-time trend
Best time to fly from DFW to SLC
Aim for departures around 5 a.m. (91% on-time); avoid 10 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 25 min |
| Tuesdaybest | 75% | 19 min |
| Wednesday | 72% | 22 min |
| Thursday | 70% | 20 min |
| Friday | 71% | 23 min |
| Saturday | 70% | 22 min |
| Sunday | 70% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations36%
- National airspace system8%
- Weather6%
Frequently asked questions
- How often are flights from DFW to SLC delayed?
- 29% of DFW–SLC 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 23 minutes.
- Which airline is most reliable from DFW to SLC?
- Delta Air Lines has the best on-time record on this route at 81%, based on 3,005 flights. 3 airlines flew DFW–SLC frequently enough to compare in this period.
- What is the best time of day to fly from DFW to SLC?
- Departures around 5 a.m. have the best record (91% on-time), while departures around 10 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DFW to SLC?
- The scheduled DFW–SLC flight time averages 2h 51m over 989 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are DFW to SLC flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from DFW to SLC?
- August 2025 was the roughest month in this dataset, with only 54% of arrivals on time. The best was October 2024 at 84%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 7,808 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.