Best Time to Fly BZN to BOS: On-Time Stats by Hour & Airline
Bozeman Yellowstone International → Logan International
Data through July 2026 · Last updated October 18, 2026
207 flights were scheduled from Bozeman (BZN) to Boston (BOS) in the last 12 months, and 65.2% of those that flew arrived on time, 12.5 points below the US average of 77.6%.
Among 2 airlines, JetBlue led with 67.7% on time and Delta Air Lines was last with 59.7%.
Over 24 months, Monday was the most reliable day (73% on time) and December the worst month (40%).
The cancellation rate was 4.3% (US average 1.8%).
BZN 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 |
|---|---|---|---|---|
| JetBlue | 67.7% | 157 min | 4.2% | 142 |
| Delta Air Lines | 59.7% | 136 min | 4.6% | 65 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BZN to BOS
On-time arrival % by scheduled departure hour (local time), 367 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | 70.9% | 1.9% | 162 |
| 12pm–1pm | 57.8% | 4.0% | 75 |
| 1pm–2pm | 56.1% | 1.5% | 68 |
| 2pm–3pm | 58.3% | 5.3% | 38 |
| 4pm–5pm | Limited data | 24 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BZN to BOS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | 40.5% | -30.7 pts | 5.1% | 39 |
| Summer peak (Jun 15 - Aug 15) | 60.4% | -10.8 pts | 2.0% | 148 |
| All other days | 71.3% | — | 2.2% | 180 |
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).