ON TIMEBOARD

RDU → LAX on time

Raleigh-Durham (Raleigh/Durham, NC) to Los Angeles LAX (Los Angeles, CA). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
0.8%
788 flights
Typical arrival
−8 min
median vs schedule
When late
+96 min
average delay
Flights / day
2
2 airlines

80% of flights from Raleigh to Los Angeles arrived on time over the past 12 months. That is about the typical U.S. route. The 7 a.m. departures ran on time 90% of the time; the 6 p.m. ones 74%. Most reliable airline: American Airlines (80%). 8% 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 → LAX: when a flight was late, it was under 45 minutes late 58% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 61 three hours or more; 0.8% were cancelled outright.

Share of all 788 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines42380%0.7%−10 min8.7%+122 minAmerican Airlines
Delta Air Lines36579%0.8%−6 min4.9%+67 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 RDU). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: too few flights (22 flights)6a7 a.m. departures: 90% on time (207 flights)907a8 a.m. departures: too few flights (3 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 flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (24 flights)4p5 p.m. departures: 76% on time (211 flights)765p6 p.m. departures: 74% on time (289 flights)746p7 p.m. departures: too few flights (31 flights)7p
RDU → LAX, 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

DepartsAmerican AirlinesDelta Air Lines
7 a.m.87%—
5 p.m.—79%
6 p.m.76%69%

By month

Each calendar month pooled over 2023–2026. Best: October (88%). Worst: May (76%).

40%70%100%Jan: 79% on time (161 flights)79JanFeb: 82% on time (147 flights)82FebMar: 84% on time (175 flights)84MarApr: 77% on time (172 flights)77AprMay: 76% on time (185 flights)76MayJun: 83% on time (214 flights)83JunJul: 80% on time (235 flights)80JulAug: 79% on time (194 flights)79AugSep: 86% on time (175 flights)86SepOct: 88% on time (194 flights)88OctNov: 85% on time (179 flights)85NovDec: 86% on time (194 flights)86Dec

By day of week

DayFlightsOn timeCancelled
Monday12076%0.8%
Tuesday10279%0.0%
Wednesday98——
Thursday12083%0.0%
Friday12381%1.6%
Saturday10477%1.0%
Sunday12178%1.7%

Why flights were late

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

Airline (crew, maintenance, ops) 46%Late inbound plane 34%Air traffic & airport (NAS) 12%Severe weather 8%

Cancellations: weather 4 · airline 2

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jul 23, 202630%0
Jul 6, 202630%0
Jul 11, 2026333%0
Jul 20, 2026333%0
Jul 18, 2026333%0

Questions

How often are flights from RDU to LAX on time?

80% of 788 scheduled flights from Raleigh/Durham, NC to Los Angeles, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

What is the best time of day to fly RDU to LAX?

Flights scheduled to leave at 7 a.m. were the most reliable (90% on time). The 6 p.m. departures were the least (74%).

Which airline is most on time from RDU to LAX?

American Airlines: 80% of its 423 flights on the route arrived on time. Delta Air Lines: 79%.

What month has the most delays from RDU to LAX?

May (76% on time). The best month is October (88%), 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.