Atlanta (ATL) to Los Angeles (LAX): On-Time Performance
Data through May 2026
The calendar drives reliability on ATL–LAX. October 2024 flights landed on schedule 88% of the time, but July 2024 dropped to 62% — a gap of 26 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 68%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 14
- last 12 months
- Duration
- 4h 53m
- scheduled
- Distance
- 1,947 mi
Best airline from ATL to LAX
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 80% | 15 min | 1.3% | 1,040 |
| Delta Air Lines | 78% | 14 min | 0.9% | 7,854 |
| American Airlines | 75% | 29 min | 0.7% | 734 |
| Frontier Airlines | 62% | 27 min | 2.5% | 813 |
Monthly on-time trend
Best time to fly from ATL to LAX
Aim for departures around 7 a.m. (87% on-time); avoid 7 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 18 min |
| Tuesdaybest | 80% | 15 min |
| Wednesday | 79% | 12 min |
| Thursday | 77% | 14 min |
| Friday | 76% | 18 min |
| Saturday | 76% | 16 min |
| Sunday | 74% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations53%
- National airspace system16%
- Weather5%
Frequently asked questions
- How often are flights from ATL to LAX delayed?
- 23% of ATL–LAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 16 minutes.
- Which airline is most reliable from ATL to LAX?
- Spirit Airlines has the best on-time record on this route at 80%, based on 1,040 flights. 4 airlines flew ATL–LAX frequently enough to compare in this period.
- What is the best time of day to fly from ATL to LAX?
- Departures around 7 a.m. have the best record (87% on-time), while departures around 7 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to LAX?
- The scheduled ATL–LAX flight time averages 4h 53m over 1,947 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are ATL to LAX flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to LAX?
- July 2024 was the roughest month in this dataset, with only 62% of arrivals on time. The best was October 2024 at 88%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 10,469 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.