Historical on-time performance
Salt Lake City to Dallas
999 miData through May 2026Source: US DOT · BTS
Flights on SLC–DAL arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 674 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9045 minCancel1.0%Flights674
Why flights run late
Delay causes
- Airline16%
- Weather0%
- Air traffic (NAS)27%
- Late aircraft56%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather71%
- Air traffic (NAS)29%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SLC → DAL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 5 min · 920 flights
- Middays79% on time · p90 35 min · 195 flights · limited
- Afternoons67% on time · p90 50 min · 771 flights
- Evenings53% on time · p90 75 min · 205 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Tuesdays83% on time · p90 20 min · 290 flights
- Mondays81% on time · p90 30 min · 301 flights
- Wednesdays80% on time · p90 30 min · 286 flights
- Thursdays77% on time · p90 35 min · 298 flights
- Saturdays77% on time · p90 40 min · 286 flights
- Sundays75% on time · p90 30 min · 325 flights
- Fridays75% on time · p90 45 min · 305 flights
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