Historical on-time performance
Baltimore to Raleigh-durham
255 miData through Dec 2025Source: US DOT · BTS
Flights on BWI–RDU arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,787 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9030 minCancel1.5%Flights1,787
Why flights run late
Delay causes
- Airline21%
- Weather10%
- Air traffic (NAS)10%
- Late aircraft59%
- 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 BWI → RDU
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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,372 flights
- Middays85% on time · p90 20 min · 1,138 flights
- Afternoons72% on time · p90 40 min · 944 flights
- Evenings66% on time · p90 50 min · 1,140 flights
- Overnights61% on time · p90 70 min · 846 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 81% on time.
- Wednesdays81% on time · p90 25 min · 783 flights
- Tuesdays80% on time · p90 25 min · 790 flights
- Mondays78% on time · p90 25 min · 849 flights
- Thursdays76% on time · p90 35 min · 848 flights
- Saturdays73% on time · p90 45 min · 565 flights
- Fridays71% on time · p90 40 min · 845 flights
- Sundays70% on time · p90 55 min · 760 flights
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