Best Time to Fly SLC to DAL: On-Time Stats by Hour & Airline
Salt Lake City International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
674 flights were scheduled from Salt Lake City (SLC) to Dallas (DAL) in the last 12 months, and 78.1% of those that flew arrived on time, 0.5 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (87% on time) and Sunday the weakest day of the week (73%).
1.2% of flights were cancelled, versus 1.8% nationally.
SLC to DAL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 78.1% | 57 min | 1.2% | 674 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to DAL
On-time arrival % by scheduled departure hour (local time), 1,364 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 96.8% | 0.4% | 248 |
| 6am–7am | 93.5% | 1.4% | 223 |
| 7am–8am | Limited data | 24 | |
| 8am–9am | 91.4% | 2.8% | 36 |
| 9am–10am | 83.3% | 0.0% | 31 |
| 10am–11am | Limited data | 27 | |
| 11am–12pm | Limited data | 16 | |
| 12pm–1pm | 80.0% | 2.2% | 92 |
| 1pm–2pm | 75.8% | 0.0% | 33 |
| 2pm–3pm | 71.9% | 1.7% | 58 |
| 3pm–4pm | 69.9% | 1.1% | 94 |
| 4pm–5pm | 67.1% | 0.3% | 283 |
| 5pm–6pm | 51.2% | 0.0% | 130 |
| 6pm–7pm | 51.6% | 0.0% | 31 |
| 7pm–8pm | 57.9% | 0.0% | 38 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to DAL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 73.2% | -6.5 pts | 0.0% | 56 |
| Summer peak (Jun 15 - Aug 15) | 69.7% | -10.1 pts | 0.4% | 226 |
| All other days | 79.8% | — | 0.8% | 1,054 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).