Historical on-time performance
Detroit to Raleigh-durham
501 miData through Dec 2025Source: US DOT · BTS
Flights on DTW–RDU arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 1,364 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time84%Medianon timep9030 minCancel0.4%Flights1,364
Why flights run late
Delay causes
- Airline58%
- Weather4%
- Air traffic (NAS)16%
- Late aircraft22%
- 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 DTW → RDU
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 75% to 88% on time.
- Mornings88% on time · p90 15 min · 955 flights
- Middays87% on time · p90 20 min · 1,119 flights
- Afternoons83% on time · p90 30 min · 1,214 flights
- Overnights78% on time · p90 45 min · 1,144 flights
- Evenings75% on time · p90 40 min · 151 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Tuesdays87% on time · p90 20 min · 641 flights
- Wednesdays87% on time · p90 20 min · 641 flights
- Mondays86% on time · p90 20 min · 689 flights
- Thursdays83% on time · p90 25 min · 693 flights
- Saturdays82% on time · p90 35 min · 549 flights
- Fridays81% on time · p90 40 min · 679 flights
- Sundays79% on time · p90 40 min · 691 flights
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