| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 15 | APF | STL | 15:58 | 17:24 |
Landed Late
|
Track > |
| Jan 02 | APF | STL | 08:00 | 09:42 |
Scheduled
|
Track > |
Japan Airlines Flight JL121 connects Naples, United States to St. Louis, United States, taking off from Naples Municipal Airport APF and landing at St. Louis Lambert International Airport STL.
How long is the JL121 flight from Naples to St. Louis?
The average flight time from Naples to St. Louis is 2 hours and 26 minutes. The flight distance is 1614 km / 1003 miles and the average flight speed is 631 km/h / 392 mph.
What is the On-Time Performance (OTP) of Japan Airlines Flight JL121 Naples to St. Louis?
The Airportia On-Time Performance Rating for Japan Airlines Flight JL121 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight JL121 arriving at?
Flight JL121 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest JL121 flight?
The latest flight took off on Thursday, January 15th, 2026 with the flight status being Landed on 17:24.
How else can the flight JL121 be referenced as?
This Japan Airlines flight can also be referenced as JAL121, JL0121, JL 121, JAL 121.
How often is flight JL121 delayed?
On average, 50% of all JL121 flights are delayed. The average delay is 21 minutes.
Can I get compensation for my delayed or cancelled JL121 flight or baggage issues?
If your JL121 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 JL121 Flight Tracker above for more details.
Other flights arriving at St. Louis STL: SY3086, WN2235, WN1924, WN4899
All flights connecting Naples APF to St. Louis STL.