ON TIMEBOARD
LAS Las Vegas / RDU Raleigh

LAS → RDU on time

Las Vegas Harry Reid (Las Vegas, NV) to Raleigh-Durham (Raleigh/Durham, NC). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
1.3%
553 flights
Typical arrival
−4 min
median vs schedule
When late
+48 min
average delay
Flights / day
2
2 airlines

79% of flights from Las Vegas to Raleigh arrived on time over the past 12 months. That is about the typical U.S. route. Most reliable airline: Delta Air Lines (87%). 5% 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 LAS → RDU: when a flight was late, it was under 45 minutes late 69% of the time. About 1 in 26 flights landed an hour or more late, and 1 in 277 three hours or more; 1.3% were cancelled outright.

Share of all 553 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines28272%1.4%+1 min6.0%+51 minSouthwest Airlines
Delta Air Lines27187%1.1%−7 min1.5%+42 minDelta Air Lines

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 LAS). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%11 a.m. departures: too few flights (44 flights)11anoon departures: too few flights (32 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (42 flights)2p3 p.m. departures: too few flights (60 flights)3p4 p.m. departures: too few flights (56 flights)4p5 p.m. departures: too few flights (17 flights)5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: too few flights (1 flights)9p10 p.m. departures: 88% on time (267 flights)8810p
LAS → RDU, 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
10 p.m.88%

By month

Each calendar month pooled over 2023–2026. Best: November (87%). Worst: July (69%).

40%70%100%Jan: 81% on time (145 flights)81JanFeb: 78% on time (130 flights)78FebMar: 82% on time (145 flights)82MarApr: 77% on time (141 flights)77AprMay: 76% on time (160 flights)76MayJun: 72% on time (127 flights)72JunJul: 69% on time (126 flights)69JulAug: 77% on time (125 flights)77AugSep: 87% on time (165 flights)87SepOct: 81% on time (150 flights)81OctNov: 87% on time (138 flights)87NovDec: 87% on time (135 flights)87Dec

By day of week

DayFlightsOn timeCancelled
Monday80——
Tuesday72——
Wednesday72——
Thursday77——
Friday78——
Saturday83——
Sunday91——

Why flights were late

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

Late inbound plane 52%Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 12%Severe weather 1%

Cancellations: weather 5 · airline 2

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 29, 2026333%0

Questions

How often are flights from LAS to RDU on time?

79% of 553 scheduled flights from Las Vegas, NV to Raleigh/Durham, NC arrived within 15 minutes of schedule between September 2025 and August 2026. 1.3% were cancelled.

Which airline is most on time from LAS to RDU?

Delta Air Lines: 87% of its 271 flights on the route arrived on time. Southwest Airlines: 72%.

What month has the most delays from LAS to RDU?

July (69% on time). The best month is November (87%), over 2023–2026.

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.