Los Angeles (LAX) to Atlanta (ATL): On-Time Performance
Data through July 2026
The calendar drives reliability on LAX–ATL. September 2025 flights landed on schedule 88% of the time, but June 2025 dropped to 63% — a gap of 25 points. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 14
- last 12 months
- Duration
- 4h 20m
- scheduled
- Distance
- 1,947 mi
Best airline from LAX to ATL
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 81% | 14 min | 0.9% | 8,181 |
| Spirit Airlines | 79% | 12 min | 1.6% | 976 |
| American Airlines | 71% | 27 min | 0.5% | 768 |
| Frontier Airlines | 50% | 38 min | 2.6% | 907 |
Monthly on-time trend
Best time to fly from LAX to ATL
Aim for departures around 5 a.m. (92% on-time); avoid 10 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 18 min |
| Tuesday | 80% | 14 min |
| Wednesdaybest | 82% | 12 min |
| Thursday | 80% | 14 min |
| Friday | 75% | 18 min |
| Saturday | 74% | 19 min |
| Sunday | 74% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations47%
- National airspace system16%
- Weather1%
Frequently asked questions
- How often are flights from LAX to ATL delayed?
- 23% of LAX–ATL 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 16 minutes.
- Which airline is most reliable from LAX to ATL?
- Delta Air Lines has the best on-time record on this route at 81%, based on 8,181 flights. 4 airlines flew LAX–ATL frequently enough to compare in this period.
- What is the best time of day to fly from LAX to ATL?
- Departures around 5 a.m. have the best record (92% on-time), while departures around 10 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAX to ATL?
- The scheduled LAX–ATL flight time averages 4h 20m over 1,947 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are LAX to ATL 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 LAX to ATL?
- June 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was September 2025 at 88%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 10,847 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.