Boston, MA
CBoston, MA, MA — BOS
On-Time Rate
78.6%
2019-2025
Avg Delay
15.3 min
when delayed
Cancel Rate
2.3%
flights cancelled
Total Flights
856,548
2019-2025
Best Month
Nov
84.7% on-time
Worst Month
Jul
73.6% on-time
Best Departure Time
1:00
100.0% on-time
12-Month On-Time Trend
Delay Causes
Best Time to Fly (By Hour)
Seasonal Pattern
Airlines at BOS
| Airline | Flights | On-Time | Avg Delay |
|---|---|---|---|
| JetBlue Airways | 269,488 | 74.9% | 0.0 min |
| Delta Air Lines | 136,984 | 81.0% | 0.0 min |
| Republic Airways | 135,852 | 81.8% | 0.0 min |
| American Airlines | 119,851 | 80.9% | 0.0 min |
| United Airlines | 73,827 | 81.0% | 0.0 min |
| Southwest Airlines | 43,893 | 80.3% | 0.0 min |
| Spirit Airlines | 29,633 | 71.3% | 0.0 min |
| Alaska Airlines | 15,267 | 79.3% | 0.0 min |
| Endeavor Air | 9,954 | 81.3% | 0.0 min |
| Envoy Air | 6,988 | 77.6% | 0.0 min |
Most Delayed Routes
| Destination | On-Time |
|---|---|
| BOS → VPSValparaiso, FL | 65.7% |
| BOS → HHHHilton Head, SC | 65.8% |
| BOS → SMFSacramento, CA | 66.3% |
| BOS → SJCSan Jose, CA | 68.4% |
| BOS → SYRSyracuse, NY | 68.6% |
Most Punctual Routes
| Destination | On-Time |
|---|---|
| BOS → SDFLouisville, KY | 88.2% |
| BOS → ILMWilmington, NC | 86.9% |
| BOS → HPNWhite Plains, NY | 85.6% |
| BOS → TVCTraverse City, MI | 85.1% |
| BOS → HOUHouston, TX | 84.2% |
Was your flight from Boston, MA delayed?
You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.
Check CompensationData source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019-2025. See our data methodology for details.