Historical on-time performance
San Diego to Dallas
1,182 miData through Dec 2025Source: US DOT · BTS
Flights on SAN–DAL arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,583 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9040 minCancel1.4%Flights1,583
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)16%
- Late aircraft55%
- 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 SAN → DAL
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 — 87% on time.
- Mornings87% on time · p90 15 min · 1,514 flights
- Middays76% on time · p90 35 min · 1,018 flights
- Afternoons65% on time · p90 50 min · 1,042 flights
- Evenings65% on time · p90 60 min · 936 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 83% on time.
- Saturdays83% on time · p90 30 min · 497 flights
- Tuesdays79% on time · p90 30 min · 662 flights
- Wednesdays77% on time · p90 30 min · 659 flights
- Mondays74% on time · p90 40 min · 687 flights
- Fridays72% on time · p90 45 min · 687 flights
- Thursdays70% on time · p90 45 min · 679 flights
- Sundays68% on time · p90 55 min · 639 flights
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