ON TIMEBOARD
RDU Raleigh / MCI Kansas City

RDU → MCI on time

Raleigh-Durham (Raleigh/Durham, NC) to Kansas City (Kansas City, MO). Every scheduled flight, September 2025 to August 2026.

On time
78%
arrived < 15 min late
Cancelled
3.3%
395 flights
Typical arrival
−8 min
median vs schedule
When late
+64 min
average delay
Flights / day
1
2 airlines

78% of flights from Raleigh to Kansas City arrived on time over the past 12 months. That is about the typical U.S. route. 9% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for RDU → MCI: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 79 three hours or more; 3.3% were cancelled outright.

Share of all 395 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines34881%3.7%−9 min5.7%+73 minEndeavor Air
Southwest Airlines47—————Southwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at RDU). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 84% on time (262 flights)847a8 a.m. departures: too few flights (86 flights)8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights (14 flights)1p2 p.m. departures: too few flights (4 flights)2p3 p.m. departures: too few flights (9 flights)3p4 p.m. departures: too few flights (20 flights)4p
RDU → MCI, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsDelta Air Lines
7 a.m.84%

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (28 flights)JanFeb: too few flights (30 flights)FebMar: too few flights (44 flights)MarApr: too few flights (42 flights)AprMay: too few flights (67 flights)MayJun: too few flights (85 flights)JunJul: too few flights (83 flights)JulAug: too few flights (78 flights)AugSep: too few flights (43 flights)SepOct: too few flights (40 flights)OctNov: too few flights (36 flights)NovDec: too few flights (26 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday50——
Tuesday50——
Wednesday50——
Thursday50——
Friday50——
Saturday62——
Sunday83——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 60%Late inbound plane 23%Air traffic & airport (NAS) 16%

Cancellations: air traffic/airport 6 · airline 5 · weather 2

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 52308:00 a.m.34881%3.7%−9 minEndeavor Air

Questions

How often are flights from RDU to MCI on time?

78% of 395 scheduled flights from Raleigh/Durham, NC to Kansas City, MO arrived within 15 minutes of schedule between September 2025 and August 2026. 3.3% were cancelled.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.