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Route Reliability

Indianapolis → Raleigh–Durham

IND–RDU · 489 miles · Indianapolis International Airport to Raleigh–Durham International Airport

85
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
10 min
Average arrival delay
0.9%
Cancelled
331
Flights in the data

Data through May 2026.

Airlines on this route

  • Delta Air Lines81% on time · 275 flights
  • Frontier Airlines82% on time · 56 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning-you made the right choice.

IND–RDU flights departing between 9 AM–12 PM arrived on time 96% of the time, versus 73% between 3–6 PM.

Saturdays have been rough.

IND–RDU flights arrived on time 93% of the time on Thursdays and just 72% on Saturdays. That gap is worth planning around.

Ticking up lately.

IND–RDU flights arrived on time 81% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon81%(62 flights)
  • Tue90%(39 flights)
  • Wed76%(41 flights)
  • Thu93%(44 flights)
  • Fri79%(58 flights)
  • Sat72%(39 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 9 AM–12 PM96%(25 flights)
  • 12–3 PM80%(200 flights)
  • 3–6 PM73%(26 flights)
  • 6–9 PM82%(77 flights)
On-time trend by month
83%
May

Aug 83% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202583%29
September 202594%31
October 202586%43
November 202579%38
December 202575%24
January 202674%27
February 202679%28
March 202687%31
April 202673%30
May 202683%30

Keep nerding

Based on 331 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.