Historical on-time performance
Raleigh-durham to Los Angeles
2,238 miData through Dec 2025Source: US DOT · BTS
Flights on RDU–LAX arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 611 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time88%Medianon timep9015 minCancel0.3%Flights363
- American AirlinesOn-time86%Medianon timep9020 minCancel0.4%Flights248
Why flights run late
Delay causes
- Airline49%
- Weather5%
- Air traffic (NAS)17%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly RDU → LAX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,269 flights
- Evenings76% on time · p90 60 min · 862 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 86% on time.
- Wednesdays86% on time · p90 25 min · 297 flights
- Saturdays85% on time · p90 25 min · 231 flights
- Thursdays83% on time · p90 35 min · 332 flights
- Tuesdays82% on time · p90 30 min · 298 flights
- Fridays81% on time · p90 50 min · 338 flights
- Sundays81% on time · p90 30 min · 329 flights
- Mondays80% on time · p90 35 min · 340 flights
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