American Airlines
AA3851 Flight Status
According to Trip.com real-time data, the AA3851 flight operated by American Airlines on Sep 12, 2026 is scheduled to fly from St. Louis (STL) to Miami (MIA). The flight is expected to depart at 5:10 PM (local time in St. Louis, UTC-5) and land at 8:33 PM (local time in Miami, UTC-4) .
Fri, Sep 11
Sat, Sep 12
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Scheduled
Your flight will depart on time.
2h 44m
Check-in Counter
--
Boarding Gate
B16
Arrival Gate
A3F
Baggage
1
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Scheduled
Your flight will depart on time.
2h 50m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
D60J
Baggage
12
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from St. Louis to Miami or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
AA3944
|
Dallas (DFW)
St. Louis (STL)
St. Louis (STL)
Scheduled: 4:40 PM
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AA3851 Aircraft Details
According to Trip.com real-time data, the AA3851 flight flying from St. Louis to Miami on 9/12/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 7y, 4m. The aircraft is equipped with Up to 100 seats.
Embraer 175
Punctuality (Departure)
--
Punctuality (Arrival)
--
Early on average
--
Age
7y, 4m
Seats
Up to 100
Flight Distance
--
Economy
Premium Economy
First
In-Flight Services
Snacks
Inflight entertainment is available
Wi-Fi is available
USB port and power outlet
Seat Information
79 cm
More legroom than on 17% of flights
46 cm
Seat width better than on 67% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Entertainment available, please bring your own device
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 50% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Meal included
Inflight entertainment is available
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
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Flight History for AA3851
Trip.com historical records show that the last AA3851 flight departed on Fri, Sep 11 from STL at approximately 7:09 PM. This flight is expected to arrrive in IAH at 11:24 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 10 | Phoenix (PHX) | Houston (IAH) | E75L | 7:36 PM | 11:49 PM | Arrived |
| Fri, Sep 11 | Phoenix (PHX) | Houston (IAH) | E75L | 7:09 PM | 11:24 PM | Scheduled |
| Sat, Sep 12 | St. Louis (STL) | Miami (MIA) | E75L | 5:10 PM | 8:33 PM | Scheduled |
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Frequently Asked Questions
-
What is the current status of flight aa3851?
Flight aa3851 has not departed yet and is currently on schedule. Scheduled departure 5:10 PM, arrival 9:00 PM (updated Sep 12, 2026). -
Is flight aa3851 on time today?
Flight aa3851 has not departed yet and is currently on schedule. Scheduled departure is 5:10 PM, with arrival at 9:00 PM. Recheck gate and timing before you head to the airport. -
Has flight aa3851 departed yet? What is the departure time?
Flight aa3851 is scheduled to depart at 5:10 PM. The latest actual or estimated departure time is 5:10 PM, and the current status is Scheduled (updated Sep 12, 2026). -
When is flight aa3851 scheduled to arrive?
Flight aa3851 is scheduled to arrive at 9:00 PM. The latest estimated or actual arrival time is 8:33 PM. Status is Scheduled as of Sep 12, 2026. -
What route does flight aa3851 fly?
Flight aa3851 is operated by American Airlines from St. Louis (STL) to Miami (MIA). Typical flight time is about 2 hours50 minutes; operating days may include Saturday. -
How can I check real-time status for flight aa3851?
Track flight aa3851 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications. -
If flight aa3851 is delayed or canceled, what should I do?
If aa3851 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 12, 2026). Contact American Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight aa3851 departed from St. Louis?
Flight aa3851 has not departed from St. Louis (STL) yet and is currently on schedule for 5:10 PM. -
What is the seat configuration for flight aa3851?
Flight aa3851 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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