Route
STT → SJU
Cyril E. King Airport Luis Munoz Marin International Airport
68 miles
Return route SJU → STT →
How punctual is this route?
- On-time arrivals
- 69.9%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 550
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 72%
- Airline (crew, maintenance, cleaning) 14%
- Air traffic control & airport 13%
- Extreme weather 1%
- 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 | 68.2% | 22 |
| October 2025 | 89.3% | 28 |
| November 2025 | 65.9% | 41 |
| December 2025 | 66.7% | 51 |
| January 2026 | 58.1% | 67 |
| February 2026 | 62.3% | 57 |
| March 2026 | 69.4% | 62 |
| April 2026 | 86.2% | 58 |
| May 2026 | 94.4% | 36 |
| June 2026 | 72.5% | 40 |
| July 2026 | 65.1% | 44 |
| August 2026 | 53.5% | 44 |
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 | 550 | 69.9% | 2.0% | 85 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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