American Airlines AA3851 Flight status
According to Trip.com real-time data, the AA3851 flight operated by American Airlines on Oct 29, 2026 is scheduled to fly from Chicago (ORD) to Chattanooga (CHA). The flight is expected to depart at 21:05 (local time in Chicago, UTC-5) and arrive at 23:17 (local time in Chattanooga, UTC-4) .
Wed, Oct 28
Thu, Oct 29
Fri, Oct 30
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Arrived
The flight has arrived 23m early
1h 51m
Check-in Counter
--
Boarding Gate
L24
Arrival Gate
2A
Baggage
1
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Scheduled
Your flight will depart on time.
1h 51m
Check-in Counter
--
Boarding Gate
L12
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 51m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Show more
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American Airlines From RUB 23,239
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AA3851 Aircraft Details
According to Trip.com real-time data, the AA3851 flight from Chicago to Chattanooga on 10/29/2026 is operated using the aircraft model Embraer 170. This aircraft has been in service for 20y, 11m. The aircraft has 65 seats.
Embraer 170
Punctuality (Departure)
65
%
Punctuality (Arrival)
91
%
Early on average
7 minutes
Age
20y, 11m
Seats
65
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
76 cm
Legroom
46 cm
Seat width better than on 86% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 86% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
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 Wed, Oct 28 from ORD at approximately 21:24. This flight is expected to arrrive in CHA at 23:33.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 24 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:10 | 23:15 | Arrived |
| Sun, Oct 25 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:23 | 23:36 | Arrived |
| Mon, Oct 26 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:37 | 23:51 | Arrived |
| Tue, Oct 27 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:59 | 00:12 | Arrived |
| Wed, Oct 28 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:24 | 23:33 | Arrived |
| Thu, Oct 29 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:05 | 23:17 | Scheduled |
| Fri, Oct 30 | Chicago (ORD) | Chattanooga (CHA) | E170 | 21:05 | 23:56 | Scheduled |
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AA3851 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of AA3851 is 65% (Late on average 33 minutes), and the on-time arrival rate is 91% (Early on average 7 minutes).
On-Time Departures
Punctuality
65
%
Late on average
33 minutes
Early
0
%
On time
65
%
30 mins late
13
%
60 mins late
17
%
90 mins late
4
%
Cancelled
0
%
On-Time Arrivals
Punctuality
91
%
Early on average
7 minutes
Early
74
%
On time
17
%
30 mins late
4
%
60 mins late
4
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight aa3851?
Flight aa3851 has not departed yet and is currently on schedule. Scheduled departure 21:05, arrival 23:56 (updated Oct 29, 2026).Is flight aa3851 on time today?
Flight aa3851 has not departed yet and is currently on schedule. Scheduled departure is 21:05, with arrival at 23:56. 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 21:05. The latest actual or estimated departure time is 21:05, and the current status is Scheduled (updated Oct 29, 2026).When is flight aa3851 scheduled to arrive?
Flight aa3851 is scheduled to arrive at 23:56. The latest estimated or actual arrival time is 23:17. Status is Scheduled as of Oct 29, 2026.What is the gate information for flight aa3851?
For flight aa3851, the departure terminal is T3 and the boarding gate is L12. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight aa3851 fly?
Flight aa3851 is operated by American Airlines from Chicago (ORD) to Chattanooga (CHA). Typical flight time is about 1 hour 51 minutes; operating days may include Thursday.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 Oct 29, 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 Chicago?
Flight aa3851 has not departed from Chicago (ORD) yet and is currently on schedule for 21:05.What is the seat configuration for flight aa3851?
Flight aa3851 usually flies a Embraer 170 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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Arrival Info: Chattanooga Weather & Current Time
Clear
|
8°C - 23°C
Weather forecast for your arrival day
1 hour time difference
Time on arrival: Chicago 22:56
|
Chattanooga 23:56
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