Historical on-time performance
Dallas to Los Angeles
1,246 miData through Dec 2025Source: US DOT · BTS
Flights on DAL–LAX arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 1,523 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9045 minCancel1.1%Flights1,523
Why flights run late
Delay causes
- Airline35%
- Weather3%
- Air traffic (NAS)9%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DAL → LAX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 1,676 flights
- Middays78% on time · p90 35 min · 1,195 flights
- Afternoons73% on time · p90 40 min · 649 flights
- Evenings63% on time · p90 55 min · 1,097 flights
- Overnights58% on time · p90 65 min · 905 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 79% on time.
- Tuesdays79% on time · p90 35 min · 817 flights
- Saturdays76% on time · p90 40 min · 591 flights
- Wednesdays76% on time · p90 45 min · 813 flights
- Mondays74% on time · p90 40 min · 854 flights
- Fridays74% on time · p90 35 min · 854 flights
- Thursdays71% on time · p90 40 min · 843 flights
- Sundays70% on time · p90 45 min · 750 flights
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