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Airport Reliability

RDU · Raleigh–Durham

Raleigh–Durham International Airport

80%
Departures within 15 minutes
14 min
Average departure delay
77%
Arrivals within 15 minutes
2.5%
Departures cancelled

Based on 63,723 departures and 63,720 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from RDU departing between 3–6 AM arrived on time 94% of the time, versus 66% between 6–9 PM.

Tuesday has been the better bet.

A small edge: 82% on time on Tuesdays against 76% on Sundays.

When RDU gets messy

On-time by departure window
  • 3–6 AM94%(2152 flights)
  • 6–9 AM89%(17320 flights)
  • 9 AM–12 PM86%(10214 flights)
  • 12–3 PM78%(9251 flights)
  • 3–6 PM69%(11669 flights)
  • 6–9 PM66%(10834 flights)
  • 9 PM–12 AM68%(580 flights)
On-time by weekday
  • Mon77%(9363 flights)
  • Tue82%(8424 flights)
  • Wed81%(8376 flights)
  • Thu78%(9340 flights)
  • Fri78%(9438 flights)
  • Sat82%(7600 flights)
  • Sun76%(9479 flights)
On-time trend by month
81%
May

Jun 74% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%5390
July 202572%5386
August 202580%5299
September 202586%5080
October 202579%5485
November 202580%5251
December 202574%5254
January 202682%4390
February 202682%4380
March 202677%5180
April 202682%5395
May 202681%5530

Airlines departing RDU

Busiest routes from RDU

Based on 63,723 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.