Historical on-time performance
Dallas to Philadelphia
1,295 miData through Dec 2025Source: US DOT · BTS
Flights on DAL–PHL arrive on time 64% of the time over the last 12 months.
On-time rate64%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 123 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time64%Median5 minp9050 minCancel0.8%Flights123
Why flights run late
Delay causes
- Airline33%
- Weather5%
- Air traffic (NAS)32%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DAL → PHL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 70% on time.
- Middays70% on time · p90 40 min · 240 flights
- Afternoons48% on time · p90 75 min · 58 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 75% on time.
- Saturdays75% on time · p90 40 min · 67 flights · limited
- Sundays64% on time · p90 50 min · 76 flights · limited
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