Historical on-time performance
Dallas to Raleigh-durham
1,052 miData through May 2026Source: US DOT · BTS
Flights on DAL–RDU arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 410 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time70%Medianon timep9035 minCancel1.5%Flights410
Why flights run late
Delay causes
- Airline29%
- Weather3%
- Air traffic (NAS)19%
- Late aircraft48%
- Security0%
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 6 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 DAL → RDU
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 — 92% on time.
- Mornings92% on time · p90 10 min · 246 flights
- Middays77% on time · p90 25 min · 451 flights
- Afternoons66% on time · p90 40 min · 468 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 79% on time.
- Saturdays79% on time · p90 30 min · 188 flights · limited
- Tuesdays79% on time · p90 30 min · 159 flights · limited
- Sundays77% on time · p90 30 min · 252 flights
- Wednesdays76% on time · p90 40 min · 157 flights · limited
- Mondays72% on time · p90 30 min · 162 flights · limited
- Thursdays68% on time · p90 40 min · 160 flights · limited
- Fridays67% on time · p90 40 min · 165 flights · limited
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