Best Time to Fly ATL to PBI: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Palm Beach International
Data through July 2026 · Last updated October 18, 2026
3,791 flights were scheduled from Atlanta (ATL) to West Palm Beach/Palm Beach (PBI) in the last 12 months, and 75.8% of those that flew arrived on time, 1.8 points below the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 76.4%, while Frontier Airlines trailed at 48.8%.
October has been the best month (85% on time) and Sunday the weakest day of the week (67%).
1.5% of flights were cancelled, versus 1.8% nationally.
ATL to PBI 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 |
|---|---|---|---|---|
| Delta Air Lines | 76.4% | 53 min | 1.5% | 3,710 |
| Frontier Airlines | 48.8% | 82 min | 1.2% | 81 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to PBI
On-time arrival % by scheduled departure hour (local time), 7,730 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 92.8% | 2.6% | 344 |
| 8am–9am | 87.4% | 1.2% | 658 |
| 9am–10am | 78.8% | 1.4% | 589 |
| 10am–11am | 78.0% | 0.9% | 226 |
| 11am–12pm | 80.6% | 1.2% | 653 |
| 12pm–1pm | 78.6% | 1.4% | 438 |
| 1pm–2pm | 75.7% | 0.3% | 381 |
| 2pm–3pm | 71.6% | 1.6% | 427 |
| 3pm–4pm | 72.0% | 1.0% | 727 |
| 4pm–5pm | 68.6% | 1.3% | 676 |
| 5pm–6pm | 75.6% | 0.0% | 127 |
| 6pm–7pm | 62.1% | 1.3% | 472 |
| 7pm–8pm | 67.0% | 1.1% | 530 |
| 8pm–9pm | 63.8% | 1.0% | 399 |
| 9pm–10pm | 69.5% | 2.0% | 439 |
| 10pm–11pm | 69.1% | 1.6% | 629 |
| 11pm–12am | Limited data | 15 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to PBI
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) | 70.8% | -5.3 pts | 0.0% | 144 |
| Christmas & New Year (Dec 20 - Jan 3) | 65.2% | -11.0 pts | 1.7% | 295 |
| Summer peak (Jun 15 - Aug 15) | 68.0% | -8.2 pts | 1.8% | 1,316 |
| All other days | 76.2% | — | 1.2% | 5,975 |
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).