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 9:05 PM (local time in Chicago, UTC-5) and land at 11:17 PM (local time in Chattanooga, UTC-4) .
Wed, Oct 28
Thu, Oct 29
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Scheduled
Your flight will depart on time.
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
G12
Arrival Gate
--
Baggage
--
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American Airlines From SAR 1,083
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Chicago to Chattanooga or track other flights with our flight status tracker.
AA3851 Aircraft Details
According to Trip.com real-time data, the AA3851 flight flying from Chicago to Chattanooga on 10/29/2026 is operated by the aircraft model Embraer 170. This aircraft has been in service for 20y, 4m. The aircraft is equipped with 65 seats.
Embraer 170
Punctuality (Departure)
65
%
Punctuality (Arrival)
91
%
Early on average
7 minutes
Age
20y, 4m
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 9:05 PM. This flight is expected to arrrive in CHA at 11:17 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Oct 23 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:32 PM | 11:37 PM | Arrived |
| Sat, Oct 24 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:10 PM | 11:15 PM | Arrived |
| Sun, Oct 25 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:23 PM | 11:36 PM | Arrived |
| Mon, Oct 26 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:38 PM | 11:50 PM | Arrived |
| Tue, Oct 27 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:59 PM | 12:12 AM | Arrived |
| Wed, Oct 28 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:05 PM | 11:17 PM | Scheduled |
| Thu, Oct 29 | Chicago (ORD) | Chattanooga (CHA) | E170 | 9:05 PM | 11:17 PM | Scheduled |
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AA3851 On-Time Performance
Based on the average performance of this flight over the past 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
%
Canceled
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
%
Canceled
0
%
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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 9:05 PM, arrival 11:56 PM (updated Oct 29, 2026).Is flight aa3851 on time today?
Flight aa3851 has not departed yet and is currently on schedule. Scheduled departure is 9:05 PM, with arrival at 11:56 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 9:05 PM. The latest actual or estimated departure time is 9:05 PM, and the current status is Scheduled (updated Oct 29, 2026).When is flight aa3851 scheduled to arrive?
Flight aa3851 is scheduled to arrive at 11:56 PM. The latest estimated or actual arrival time is 11:17 PM. 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 G12. 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 hour51 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 9:05 PM.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 22:17
|
Chattanooga 23:17
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