Historical on-time performance
Chicago to Raleigh-durham
632 miData through Dec 2025Source: US DOT · BTS
Flights on MDW–RDU arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 983 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel0.8%Flights983
Why flights run late
Delay causes
- Airline30%
- Weather1%
- Air traffic (NAS)18%
- Late aircraft51%
- 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 MDW → 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 — 87% on time.
- Mornings87% on time · p90 15 min · 916 flights
- Middays80% on time · p90 25 min · 802 flights
- Afternoons75% on time · p90 35 min · 407 flights
- Evenings69% on time · p90 45 min · 747 flights
- Overnights54% on time · p90 60 min · 387 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 79% on time.
- Tuesdays79% on time · p90 30 min · 473 flights
- Mondays78% on time · p90 30 min · 514 flights
- Saturdays77% on time · p90 35 min · 329 flights
- Wednesdays76% on time · p90 30 min · 512 flights
- Thursdays76% on time · p90 40 min · 465 flights
- Sundays73% on time · p90 50 min · 455 flights
- Fridays71% on time · p90 35 min · 511 flights
Advertisement
Keep exploring