| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 28 | SJU | BOS | 10:37 | 14:24 |
Landed
|
Track > |
| Apr 27 | SJU | BOS | 10:49 | 15:04 |
Landed Late
|
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| Apr 26 | SJU | BOS | 10:42 | 14:23 |
Landed
|
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| Apr 25 | SJU | BOS | 10:21 | 14:18 |
Landed
|
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| Apr 24 | SJU | BOS | 10:26 | 14:15 |
Landed
|
Track > |
| Apr 23 | SJU | BOS | 10:53 | 14:49 |
Landed Late
|
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| Apr 22 | SJU | BOS | 10:29 | 14:21 |
Landed
|
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| Apr 21 | SJU | BOS | 10:47 | 15:25 |
Delayed
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| Apr 20 | SJU | BOS | 10:33 | 14:12 |
Landed
|
Track > |
| Apr 19 | SJU | BOS | 10:27 | 14:11 |
Landed
|
Track > |
Spirit Airlines Flight NK891 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 NK891 flight from San Juan to Boston?
The average flight time from San Juan to Boston is 3 hours and 55 minutes. The flight distance is 2702 km / 1679 miles and the average flight speed is 691 km/h / 429 mph.
What is the On-Time Performance (OTP) of Spirit Airlines Flight NK891 San Juan to Boston?
The Airportia On-Time Performance Rating for Spirit Airlines Flight NK891 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight NK891 arriving at?
Flight NK891 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest NK891 flight?
The latest flight took off on Tuesday, April 28th, 2026 with the flight status being Landed on 14:24.
How else can the flight NK891 be referenced as?
This Spirit Airlines flight can also be referenced as NKS891, NK0891, NK 891, NKS 891.
How often is flight NK891 delayed?
On average, 30% of all NK891 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled NK891 flight or baggage issues?
If your NK891 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 NK891 Flight Tracker above for more details.
Other flights departing from San Juan SJU: B6518, F92215, NK2208, F42203
Other flights arriving at Boston BOS: AA1709, UA1756, DL5592, UA1354
All flights connecting San Juan SJU to Boston BOS.