Best Time to Fly PBI to BOS: On-Time Stats by Hour & Airline
Palm Beach International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 65.6% of West Palm Beach/Palm Beach (PBI) to Boston (BOS) flights arrived on time (2,152 scheduled flights). That is 12.0 points below the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 66.1%, while JetBlue trailed at 65.5%.
November has been the best month (81% on time) and Sunday the weakest day of the week (62%).
3.6% of flights were cancelled, versus 1.8% nationally.
PBI to BOS 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 | 66.1% | 89 min | 3.2% | 561 |
| JetBlue | 65.5% | 76 min | 3.8% | 1,582 |
| American Airlines | Limited data | 9 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PBI to BOS
On-time arrival % by scheduled departure hour (local time), 4,460 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.8% | 2.0% | 49 |
| 6am–7am | 93.5% | 1.5% | 392 |
| 7am–8am | 94.0% | 2.4% | 375 |
| 8am–9am | 98.7% | 1.3% | 77 |
| 9am–10am | 84.5% | 1.4% | 72 |
| 10am–11am | 76.9% | 3.4% | 327 |
| 11am–12pm | 74.6% | 2.3% | 604 |
| 12pm–1pm | 67.6% | 0.8% | 399 |
| 1pm–2pm | 60.0% | 6.2% | 128 |
| 2pm–3pm | 54.7% | 3.0% | 198 |
| 3pm–4pm | 54.5% | 2.9% | 137 |
| 4pm–5pm | 51.8% | 3.4% | 264 |
| 5pm–6pm | 51.3% | 5.7% | 122 |
| 6pm–7pm | 56.5% | 2.8% | 322 |
| 7pm–8pm | 60.4% | 2.8% | 578 |
| 8pm–9pm | 57.8% | 4.1% | 368 |
| 9pm–10pm | 68.1% | 0.0% | 48 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PBI to BOS
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) | 75.5% | +3.6 pts | 3.9% | 102 |
| Christmas & New Year (Dec 20 - Jan 3) | 56.2% | -15.6 pts | 2.6% | 264 |
| Summer peak (Jun 15 - Aug 15) | 61.6% | -10.3 pts | 5.9% | 539 |
| All other days | 71.9% | — | 2.2% | 3,555 |
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).