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DelayAtlas

Route reliability record

CLTLAX

Charlotte to Los Angeles

Flights
2,308
Period
July 2025 to June 2026
Distance
2,125 mi
Carriers
2
B+GRADE

This route lands a B+, level with the national rate of 77.6%. Roughly one flight in five arrive 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 2,308 flights, with a median arrival 7 minutes early.

The US average over the same twelve months is 77.6%, so there is little to separate this route from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

Key figures

On time

78.0%

Arrivals under 15 minutes late, of 2,285 completed flights

Avg delay

57 min

Across delayed arrivals only, not all flights

Cancelled

0.95%

National rate is 1.81%

Best carrier

American

78.0% on time across 2,303 flights

These figures cover 2,308 flights between July 2025 and June 2026. The median arrival is 7 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Carrier by carrier

Which airline is most reliable on CLT to LAX

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on CLT to LAX
AirlineFlightsOn timeAvg delayCancelledGrade
Spirit Airlinesthin sample580.0%18 min0.00%B+
American Airlines2,30378.0%57 min0.96%B+

Departure window

The best time of day to leave

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 18 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

  • 5am–8am285 flights85.2%
  • 8am–11am339 flights86.1%
  • 11am–2pm500 flights86.1%
  • 2pm–5pm367 flights74.7%
  • 5pm–8pm447 flights68.2%
  • 8pm–5am370 flights69.3%

Scale runs 60% to 90%. Rows with fewer than 30 flights show a dash.

Book the morning departure. Flights leaving between 8am–11am arrive on time 86.1% of the time, against 68.2% for the evening window. That is 18 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 11am–2pm window is the busiest, with 500 flights scheduled in it.

Across the year

When delays peak on this route

This route's year swings by 27 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.

On-time rate by calendar month77J74F86M79A76M74J63J80A82S90O82N79D
Darker means more delays. Figures are on-time percentages.October best, July worst

July is the worst month at 63.1% on time, 27 points below October, the best at 89.9%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. July was the busiest month here, with 251 flights.

Across the week, Tuesday is the strongest day at 80.7% on time and Monday the weakest at 73.5%. 7 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week73.5Mon80.7Tue80.6Wed77.4Thu79.3Fri78.3Sat76.5Sun
Monday: 73.5 percent on time. Tuesday: 80.7 percent on time. Wednesday: 80.6 percent on time. Thursday: 77.4 percent on time. Friday: 79.3 percent on time. Saturday: 78.3 percent on time. Sunday: 76.5 percent on time

Delay causes

Why this route gets delayed

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 28,000 reported delay minutes.

  • Late-arriving aircraft
    39%
  • Carrier
    35%
  • National Airspace System
    17%
  • Extreme weather
    8%
  • Security
    1%

39% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 28,000 reported delay minutes here, that single category outweighs weather by 5 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 28,490 reported delay minutes.

The largest share of delay minutes, 35%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 10,000 of the 28,000 delay minutes reported here.

Cancellations sit at 0.95% against a national 1.81%, which is ordinary. Diversions add another 0.04%.

Connections and stage length

What a delay here actually costs

6.4% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route are the about an hour kind, which a normal layover absorbs.

At 2,125 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.

The return leg is a different operation and performs like one: it runs 83.2% on time across 2,308 flights, 5 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 5 points of difference.

The sample behind these figures is 2,308 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.

What to do with this

Booking this route

Put together: the calendar is the biggest lever here, not the carrier or the hour. October runs 89.9% on time and July 63.1%, a swing of 27 points. If the dates move at all, move them out of July before you think about anything else. 2,285 completed flights over 12 months sit behind that.

Common questions

CLT to LAX questions

How often is CLT to LAX delayed?

Roughly one flight in five arrive at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 22.0% of the 2,308 flights in this analysis, against 22.4% nationally. Delayed flights are late by about an hour on average.

How reliable is CLT to LAX compared with the rest of the country?

78.0% of flights arrive on time here against a national 77.6%, a difference of half a point in its favour. That is worth a B+ on this site's grading scale.

What time of day has the fewest delays on CLT to LAX?

The 8am–11am departure window is the strongest at 86.1% on time. The 5pm–8pm window is the weakest at 68.2%, 18 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.

How bad are July delays on CLT to LAX?

July is the weakest month at 63.1% on time, compared with 89.9% in October. Across the year that is 27 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Updated monthly. How this data is collected.