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Route Reliability

Atlanta → Los Angeles

ATL–LAX · 1,947 miles · Hartsfield–Jackson Atlanta International Airport to Los Angeles International Airport

82
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
1.0%
Cancelled
5,097
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Spirit Airlines84%331 flights
  2. 2.Delta Air Lines80%3,875 flights
  3. 3.American Airlines75%380 flights
  4. 4.Frontier Airlines68%511 flights

What the data says

Morning-you made the right choice.

ATL–LAX flights departing between 6–9 AM arrived on time 88% of the time, versus 67% between 9 PM–12 AM.

Sunday scaries are real for this one.

ATL–LAX flights arrived on time 84% of the time on Wednesdays. On Sundays: 75%.

Spirit Airlines has a clear lead on this route.

Spirit Airlines arrived on time 84% of the time on this route; Frontier Airlines managed 68%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(745 flights)
  • Tue79%(693 flights)
  • Wed84%(687 flights)
  • Thu80%(742 flights)
  • Fri78%(734 flights)
  • Sat78%(689 flights)
  • Sun75%(749 flights)
On-time by departure window
  • 6–9 AM88%(927 flights)
  • 9 AM–12 PM83%(1179 flights)
  • 12–3 PM85%(619 flights)
  • 3–6 PM73%(904 flights)
  • 6–9 PM71%(938 flights)
  • 9 PM–12 AM67%(472 flights)
On-time trend by month
77%
May

Jun 70% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%495
July 202573%493
August 202580%477
September 202584%455
October 202584%425
November 202581%418
December 202578%439
January 202675%358
February 202680%322
March 202686%353
April 202677%379
May 202677%425

Same trip, other airports

Keep nerding

Based on 5,097 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.