| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 20 | BFI | STL | 10:25 | 15:47 |
En-Route
|
Track > |
Japan Airlines Flight JL120 connects Seattle, United States to St. Louis, United States, taking off from Seattle Boeing Field BFI and landing at St. Louis Lambert International Airport STL.
How long is the JL120 flight from Seattle to St. Louis?
The average flight time from Seattle to St. Louis is 3 hours and 22 minutes. The flight distance is 2745 km / 1706 miles and the average flight speed is 815 km/h / 507 mph.
How many JL120 flights are operated per week?
1 flight per week. The flight JL120 is operated on Saturday.
What is the On-Time Performance (OTP) of Japan Airlines Flight JL120 Seattle to St. Louis?
The Airportia On-Time Performance Rating for Japan Airlines Flight JL120 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest JL120 flight?
The latest flight took off on Saturday, June 20th, 2026 with the flight status being En-Route on 15:47.
How else can the flight JL120 be referenced as?
This Japan Airlines flight can also be referenced as JAL120, JL0120, JL 120, JAL 120.
How often is flight JL120 delayed?
On average, 0% of all JL120 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled JL120 flight or baggage issues?
If your JL120 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 JL120 Flight Tracker above for more details.
Other flights departing from Seattle BFI: JL400, M56240, UD928, UD612
Other flights arriving at St. Louis STL: DL4905, WN3152, WN1790, SY3097
All flights connecting Seattle BFI to St. Louis STL.