ON TIMEBOARD
RDU Raleigh / IND Indianapolis

RDU → IND on time

Raleigh-Durham (Raleigh/Durham, NC) to Indianapolis (Indianapolis, IN). Every scheduled flight, September 2025 to August 2026.

On time
81%
arrived < 15 min late
Cancelled
1.6%
377 flights
Typical arrival
−11 min
median vs schedule
When late
+80 min
average delay
Flights / day
1
2 airlines

81% of flights from Raleigh to Indianapolis 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 → IND: when a flight was late, it was under 45 minutes late 42% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 63 three hours or more; 1.6% were cancelled outright.

Share of all 377 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines34780%1.4%−11 min8.1%+83 minEndeavor Air
Frontier Airlines30—————Frontier 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%10 a.m. departures: too few flights (29 flights)10a11 a.m. departures: 79% on time (224 flights)7911anoon departures: too few flights (41 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (3 flights)2p3 p.m. departures: too few flights (7 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights (58 flights)5p
RDU → IND, 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
11 a.m.79%

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (31 flights)JanFeb: too few flights (28 flights)FebMar: too few flights (31 flights)MarApr: too few flights (30 flights)AprMay: too few flights (40 flights)MayJun: too few flights (51 flights)JunJul: too few flights (53 flights)JulAug: too few flights (69 flights)AugSep: too few flights (49 flights)SepOct: too few flights (64 flights)OctNov: too few flights (54 flights)NovDec: too few flights (29 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday60——
Tuesday50——
Wednesday51——
Thursday55——
Friday55——
Saturday49——
Sunday57——

Why flights were late

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

Late inbound plane 48%Airline (crew, maintenance, ops) 46%Air traffic & airport (NAS) 6%

Cancellations: airline 4 · 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 478011:58 a.m.23977%2.1%−14 minEndeavor Air

Questions

How often are flights from RDU to IND on time?

81% of 377 scheduled flights from Raleigh/Durham, NC to Indianapolis, IN arrived within 15 minutes of schedule between September 2025 and August 2026. 1.6% 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.