Historical on-time performance
Charleston to Dallas
977 miData through Dec 2025Source: US DOT · BTS
Flights on CHS–DAL arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9045 minCancel0.6%Flights337
Why flights run late
Delay causes
- Airline17%
- Weather1%
- Air traffic (NAS)26%
- Late aircraft56%
- 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 CHS → DAL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 70% to 90% on time.
- Mornings90% on time · p90 10 min · 189 flights · limited
- Middays85% on time · p90 20 min · 254 flights
- Afternoons70% on time · p90 50 min · 314 flights
- Evenings70% on time · p90 50 min · 250 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 79% on time.
- Tuesdays79% on time · p90 30 min · 139 flights · limited
- Wednesdays79% on time · p90 40 min · 139 flights · limited
- Thursdays79% on time · p90 30 min · 138 flights · limited
- Saturdays79% on time · p90 50 min · 156 flights · limited
- Fridays78% on time · p90 35 min · 139 flights · limited
- Mondays76% on time · p90 35 min · 139 flights · limited
- Sundays75% on time · p90 25 min · 157 flights · limited
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