| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 10 | SJU | BOS | 15:26 | 19:03 |
Landed
|
Track > |
| Aug 07 | SJU | BOS | 15:44 | 19:09 |
Landed
|
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| Aug 03 | SJU | BOS | 16:04 | 19:39 |
Landed
|
Track > |
| Jul 31 | SJU | BOS | 15:30 | 19:48 |
Landed Late
|
Track > |
| Jul 27 | SJU | BOS | 15:22 | 19:03 |
Landed
|
Track > |
| Jul 24 | SJU | BOS | 15:44 | 19:17 |
Landed
|
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| Jul 20 | SJU | BOS | 15:47 | 20:15 |
Landed Late
|
Track > |
| Jul 17 | SJU | BOS | 15:18 | 18:55 |
Landed
|
Track > |
| Jul 13 | SJU | BOS | 15:23 | 19:02 |
Landed
|
Track > |
| Jul 10 | SJU | BOS | 15:34 | 19:36 |
Landed
|
Track > |
Spirit Airlines Flight NK1840 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 NK1840 flight from San Juan to Boston?
The average flight time from San Juan to Boston is 3 hours and 47 minutes. The flight distance is 2702 km / 1679 miles and the average flight speed is 718 km/h / 446 mph.
What is the On-Time Performance (OTP) of Spirit Airlines Flight NK1840 San Juan to Boston?
The Airportia On-Time Performance Rating for Spirit Airlines Flight NK1840 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight NK1840 arriving at?
Flight NK1840 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest NK1840 flight?
The latest flight took off on Sunday, August 10th, 2025 with the flight status being Landed on 19:03.
How else can the flight NK1840 be referenced as?
This Spirit Airlines flight can also be referenced as NKS1840, NK 1840, NKS 1840.
How often is flight NK1840 delayed?
On average, 40% of all NK1840 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled NK1840 flight or baggage issues?
If your NK1840 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 NK1840 Flight Tracker above for more details.
Other flights departing from San Juan SJU: NK1210, BW291, NK277, 9K8072
Other flights arriving at Boston BOS: UA1418, WN244, NK1230, 9K3262
All flights connecting San Juan SJU to Boston BOS.
