Route Reliability
Raleigh–Durham → Indianapolis
RDU–IND · 489 miles · Raleigh–Durham International Airport to Indianapolis International Airport
- 83%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 2.1%
- Cancelled
- 331
- Flights in the data
Data through May 2026.
Airlines on this route
- Delta Air Lines84% on time · 275 flights
- Frontier Airlines79% 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
The 12–3 PM departure wins.
RDU–IND flights departing between 12–3 PM arrived on time 85% of the time, versus 77% between 6–9 PM.
Sunday scaries are real for this one.
RDU–IND flights arrived on time 92% of the time on Tuesdays and just 75% on Sundays. That gap is worth planning around.
Ticking up lately.
RDU–IND flights arrived on time 84% of the time over the last three months in the data, compared with 80% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon87%(60 flights)
- Tue92%(39 flights)
- Wed83%(41 flights)
- Thu91%(44 flights)
- Fri77%(57 flights)
- Sat80%(39 flights)
- Sun75%(44 flights)
- 9 AM–12 PM84%(164 flights)
- 12–3 PM85%(40 flights)
- 3–6 PM84%(85 flights)
- 6–9 PM77%(35 flights)
Aug 79% → May 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 79% | 29 |
| September 2025 | 97% | 31 |
| October 2025 | 84% | 43 |
| November 2025 | 89% | 37 |
| December 2025 | 79% | 24 |
| January 2026 | 85% | 27 |
| February 2026 | 74% | 27 |
| March 2026 | 84% | 31 |
| April 2026 | 73% | 30 |
| May 2026 | 93% | 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.