Best Time to Fly LAX to ATL: On-Time Stats by Hour & Airline
Los Angeles International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.5% of Los Angeles (LAX) to Atlanta (ATL) flights arrived on time (4,938 scheduled flights). That is 0.9 points above the national average of 77.6%.
Spirit Airlines was the most punctual of the 4 airlines on the route at 86.7%, while Frontier Airlines trailed at 64.7%.
September has been the best month (86% on time) and Sunday the weakest day of the week (75%).
0.9% of flights were cancelled, versus 1.8% nationally.
LAX to ATL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 86.7% | 68 min | 0.5% | 212 |
| Delta Air Lines | 81.1% | 67 min | 0.9% | 3,840 |
| American Airlines | 66.5% | 84 min | 0.5% | 379 |
| Frontier Airlines | 64.7% | 64 min | 1.8% | 507 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAX to ATL
On-time arrival % by scheduled departure hour (local time), 10,376 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 64.5% | 6.1% | 33 |
| 5am–6am | 94.4% | 2.7% | 74 |
| 6am–7am | 89.5% | 0.8% | 763 |
| 7am–8am | 88.2% | 0.9% | 795 |
| 8am–9am | 78.0% | 0.7% | 747 |
| 9am–10am | 72.6% | 0.4% | 1,009 |
| 10am–11am | 84.0% | 1.4% | 489 |
| 11am–12pm | 82.4% | 0.0% | 500 |
| 12pm–1pm | 77.1% | 1.0% | 828 |
| 1pm–2pm | 74.4% | 0.8% | 630 |
| 2pm–3pm | 79.3% | 0.6% | 827 |
| 3pm–4pm | 83.7% | 0.0% | 172 |
| 4pm–5pm | 77.4% | 1.1% | 94 |
| 5pm–6pm | 84.8% | 0.4% | 555 |
| 6pm–7pm | Limited data | 1 | |
| 9pm–10pm | 75.5% | 0.9% | 889 |
| 10pm–11pm | 67.2% | 1.5% | 1,231 |
| 11pm–12am | 75.5% | 1.6% | 739 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAX to ATL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 77.2% | -2.8 pts | 0.5% | 216 |
| Christmas & New Year (Dec 20 - Jan 3) | 63.2% | -16.8 pts | 0.4% | 450 |
| Summer peak (Jun 15 - Aug 15) | 75.0% | -5.0 pts | 1.4% | 1,897 |
| All other days | 80.0% | — | 0.8% | 7,813 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).