Route
BDL → SJU
Bradley International Airport Luis Munoz Marin International Airport
1,666 miles
Return route SJU → BDL →
How punctual is this route?
- On-time arrivals
- 59.0%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 94 min
- Flights arriving 15+ minutes late
- Flights tracked
- 968
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 20%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 64.8% | 54 |
| October 2025 | 51.9% | 53 |
| November 2025 | 71.9% | 64 |
| December 2025 | 67.4% | 97 |
| January 2026 | 59.7% | 86 |
| February 2026 | 44.9% | 73 |
| March 2026 | 63.0% | 82 |
| April 2026 | 58.0% | 90 |
| May 2026 | 73.9% | 93 |
| June 2026 | 65.6% | 90 |
| July 2026 | 38.9% | 93 |
| August 2026 | 47.8% | 93 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 727 | 59.9% | 1.9% | 92 min |
| Frontier Airlines | 241 | 56.3% | 2.1% | 99 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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