Atlanta (ATL) to Los Angeles (LAX): On-Time Performance
Data through July 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 76% 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
- 76%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 14
- last 12 months
- Duration
- 4h 52m
- scheduled
- Distance
- 1,947 mi
Best airline from ATL to LAX
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 81% | 15 min | 1.4% | 980 |
| Delta Air Lines | 78% | 15 min | 0.9% | 8,190 |
| American Airlines | 73% | 33 min | 0.7% | 769 |
| Frontier Airlines | 63% | 27 min | 2.8% | 908 |
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 (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 18 min |
| Tuesdaybest | 79% | 15 min |
| Wednesday | 79% | 13 min |
| Thursday | 77% | 14 min |
| Friday | 75% | 20 min |
| Saturday | 76% | 17 min |
| Sunday | 73% | 21 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 system15%
- Weather6%
Frequently asked questions
- How often are flights from ATL to LAX delayed?
- 24% of ATL–LAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from ATL to LAX?
- Spirit Airlines has the best on-time record on this route at 81%, based on 980 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 (58%). 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 52m over 1,947 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are ATL to LAX flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, 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 10,862 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.