Historical on-time performance
San Jose to Dallas
1,450 miData through May 2026Source: US DOT · BTS
Flights on SJC–DAL arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 459 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time85%Medianon timep9025 minCancel0.9%Flights459
Why flights run late
Delay causes
- Airline28%
- Weather0%
- Air traffic (NAS)22%
- Late aircraft50%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 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 SJC → 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 — 91% on time.
- Mornings91% on time · p90 10 min · 995 flights
- Afternoons75% on time · p90 25 min · 173 flights · limited
- Evenings72% on time · p90 50 min · 462 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 88% on time.
- Saturdays88% on time · p90 15 min · 180 flights · limited
- Tuesdays87% on time · p90 15 min · 235 flights
- Wednesdays87% on time · p90 20 min · 234 flights
- Sundays84% on time · p90 20 min · 242 flights
- Fridays82% on time · p90 25 min · 278 flights
- Thursdays81% on time · p90 25 min · 277 flights
- Mondays80% on time · p90 30 min · 275 flights
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