| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 09 | STL | BOS | 19:34 | 22:44 |
Delayed
|
Track > |
American Airlines Flight AA9939 connects St. Louis, United States to Boston, United States, taking off from St. Louis Lambert International Airport STL and landing at Boston Logan International Airport BOS.
How long is the AA9939 flight from St. Louis to Boston?
The average flight time from St. Louis to Boston is 2 hours and 10 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 776 km/h / 482 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA9939 St. Louis to Boston?
The Airportia On-Time Performance Rating for American Airlines Flight AA9939 is 4/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA9939 arriving at?
Flight AA9939 arrives at Boston Logan International Airport (BOS) Terminal B.
When was the latest AA9939 flight?
The latest flight took off on Friday, July 10th, 2026 with the flight status being En-Route on 22:44.
How else can the flight AA9939 be referenced as?
This American Airlines flight can also be referenced as AAL9939, AA 9939, AAL 9939.
How often is flight AA9939 delayed?
On average, 100% of all AA9939 flights are delayed. The average delay is 59 minutes.
Can I get compensation for my delayed or cancelled AA9939 flight or baggage issues?
If your AA9939 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 AA9939 Flight Tracker above for more details.
Other flights departing from St. Louis STL: UA1639, DL2822, AA4537, AA2731
Other flights arriving at Boston BOS: IB2625, FI633, B61096, AA1074
All flights connecting St. Louis STL to Boston BOS.