Route Reliability
Raleigh–Durham → Kansas City
RDU–MCI · 904 miles · Raleigh–Durham International Airport to Kansas City International Airport
79
Usually Fine
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 2.5%
- Cancelled
- 394
- Flights in the data
Data through May 2026.
Airlines on this route
- Delta Air Lines85% on time · 346 flights
- Southwest Airlines69% on time · 48 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.
RDU–MCI flights departing between 6–9 AM arrived on time 85% of the time, versus 57% between 3–6 PM.
Sunday scaries are real for this one.
RDU–MCI flights arrived on time 88% of the time on Wednesdays. On Sundays: 74%.
Flights on this route
The breakdown
- Mon83%(48 flights)
- Tue86%(49 flights)
- Wed88%(50 flights)
- Thu87%(47 flights)
- Fri80%(46 flights)
- Sat84%(61 flights)
- Sun74%(82 flights)
- 6–9 AM85%(335 flights)
- 9 AM–12 PM—(9 flights)
- 12–3 PM—(9 flights)
- 3–6 PM57%(30 flights)
71%
May
Jun 82% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 82% | 38 |
| July 2025 | 74% | 34 |
| August 2025 | 86% | 36 |
| September 2025 | 88% | 34 |
| October 2025 | 82% | 33 |
| November 2025 | 94% | 33 |
| December 2025 | 65% | 20 |
| January 2026 | 84% | 25 |
| February 2026 | 93% | 27 |
| March 2026 | 91% | 35 |
| April 2026 | 77% | 34 |
| May 2026 | 71% | 34 |
Keep nerding
Based on 394 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.