| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 07 | SJU | BOS | 18:35 | 21:14 |
Delayed
|
Track > |
| Jan 06 | SJU | BOS | 16:50 | 19:36 |
Delayed
|
Track > |
| Jan 05 | SJU | BOS | 16:21 | 19:25 |
Landed Late
|
Track > |
| Jan 04 | SJU | BOS | 18:31 | 21:18 |
Delayed
|
Track > |
| Jan 03 | SJU | BOS | 15:15 | 18:39 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jan 02 | SJU | BOS | 15:15 | 18:39 |
Cancelled
|
Track > |
| Jan 01 | SJU | BOS | 15:32 | 18:08 |
Landed
|
Track > |
| Dec 31 | SJU | BOS | 15:29 | 17:59 |
Landed
|
Track > |
| Dec 30 | SJU | BOS | 16:03 | 18:31 |
Landed
|
Track > |
| Dec 29 | SJU | BOS | 16:08 | 18:55 |
Landed Late
|
Track > |
Spirit Airlines Flight NK309 connects San Juan, Puerto Rico to Boston, United States, taking off from San Juan Luis Munoz Marin International Airport SJU and landing at Boston Logan International Airport BOS.
How long is the NK309 flight from San Juan to Boston?
The average flight time from San Juan to Boston is 3 hours and 42 minutes. The flight distance is 2702 km / 1679 miles and the average flight speed is 708 km/h / 440 mph.
What is the On-Time Performance (OTP) of Spirit Airlines Flight NK309 San Juan to Boston?
The Airportia On-Time Performance Rating for Spirit Airlines Flight NK309 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight NK309 arriving at?
Flight NK309 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest NK309 flight?
The latest flight took off on Wednesday, January 7th, 2026 with the flight status being En-Route on 21:14.
How else can the flight NK309 be referenced as?
This Spirit Airlines flight can also be referenced as NKS309, NK0309, NK 309, NKS 309.
How often is flight NK309 delayed?
On average, 50% of all NK309 flights are delayed. The average delay is 86 minutes.
Can I get compensation for my delayed or cancelled NK309 flight or baggage issues?
If your NK309 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our NK309 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from San Juan SJU: AA949, WN8809, F94995, WN8813
Other flights arriving at Boston BOS: B62630, DL1520, GB16, DL9970
All flights connecting San Juan SJU to Boston BOS.