United Airlines UA4397 Flight Status
Based on Trip.com’s real-time data, the UA4397 flight operated by United Airlines on Sep 21, 2026 is scheduled to fly from Chicago (ORD) to Chattanooga (CHA). The flight is expected to depart at 10:30 (local time in Chicago, UTC-5) and land at 12:41 (local time in Chattanooga, UTC-4) .
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived 1h late
1h 46m
Check-in Counter
--
Boarding Gate
F16
Arrival Gate
--
Baggage
1
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Scheduled
Your flight will depart on time.
1h 46m
Check-in Counter
--
Boarding Gate
E9
Arrival Gate
--
Baggage
1
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Scheduled
Your flight will depart on time.
1h 46m
Check-in Counter
--
Boarding Gate
E9
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Chicago to Chattanooga or track other flights with our flight status tracker.
UA4397 Aircraft Details
According to Trip.com real-time data, the UA4397 flight flying from Chicago to Chattanooga on 9/21/2026 is operated by the aircraft model Bombardier CRJ-550. This aircraft has been in service for 23y, 7m. The aircraft is equipped with 50 seats.
Bombardier CRJ-550
Punctuality (Departure)
47%
Punctuality (Arrival)
63%
Late on average
20 minutes
Age
23y, 7m
Seats
50
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
Inflight entertainment is available
Unknown
USB port
Seating Plan
79 cm
More legroom than on 25% of flights
44 cm
Seat width better than on 13% of flights
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Snacks
Inflight entertainment is available
Unknown
USB port and power outlet
Seating Plan
94 cm
Legroom
51 cm
Seat width better than on 29% of flights
120°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
Snacks
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seating Plan
86 cm
Legroom
44 cm
Seat width better than on 13% of flights
100°
Reclining Angle
--
Seat layout example
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Flight History for UA4397
Trip.com historical records show that the last UA4397 flight departed on Sun, Sep 20 from ORD at approximately 12:07. This flight is expected to arrrive in CHA at 14:16.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Sep 16 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | 13:02 | 15:12 | Arrived |
| Thu, Sep 17 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | 13:34 | 15:47 | Arrived |
| Fri, Sep 18 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | 11:01 | 13:12 | Arrived |
| Sat, Sep 19 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | -- | -- | Cancelled |
| Sun, Sep 20 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | 12:07 | 14:16 | Arrived |
| Mon, Sep 21 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | 10:30 | 12:41 | Scheduled |
| Tue, Sep 22 | Chicago (ORD) | Chattanooga (CHA) | CRJ7 | 10:30 | 13:16 | Scheduled |
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UA4397 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4397 is 47% (Late on average 57 minutes), and the on-time arrival rate is 63% (Late on average 20 minutes).
On-Time Departures
Punctuality
47%
Late on average 57 minutes
Early
0%
On time
47%
30 mins late
17%
60 mins late
7%
90 mins late
30%
Cancelled
2%
On-Time Arrivals
Punctuality
63%
Late on average 20 minutes
Early
57%
On time
7%
30 mins late
10%
60 mins late
13%
90 mins late
13%
Cancelled
2%
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Cheap Return Flights to Chicago
- Wed, Sep 23Chattanooga (CHA)Chicago (CHI)
American AirlinesOne way30% offUS$358US$250 - Sat, Oct 24Chattanooga (CHA)Chicago (CHI) American AirlinesOne way30% offUS$358US$250
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Frequently Asked Questions
What is the current status of flight ua4397?
Flight ua4397 has not departed yet and is currently on schedule. Scheduled departure 10:30, arrival 13:16 (updated Sep 21, 2026).Is flight ua4397 on time today?
Flight ua4397 has not departed yet and is currently on schedule. Scheduled departure is 10:30, with arrival at 13:16. Recheck gate and timing before you head to the airport.Has flight ua4397 departed yet? What is the departure time?
Flight ua4397 is scheduled to depart at 10:30. The latest actual or estimated departure time is 10:30, and the current status is Scheduled (updated Sep 21, 2026).When is flight ua4397 scheduled to arrive?
Flight ua4397 is scheduled to arrive at 13:16. The latest estimated or actual arrival time is 12:41. Status is Scheduled as of Sep 21, 2026.What is the gate information for flight ua4397?
For flight ua4397, the departure terminal is T2 and the boarding gate is E9. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua4397 fly?
Flight ua4397 is operated by United Airlines from Chicago (ORD) to Chattanooga (CHA). Typical flight time is about 1 hour46 minutes; operating days may include Monday.How can I check real-time status for flight ua4397?
Track flight ua4397 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 ua4397 is delayed or canceled, what should I do?
If ua4397 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 21, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua4397 departed from Chicago?
Flight ua4397 has not departed from Chicago (ORD) yet and is currently on schedule for 10:30.What is the seat configuration for flight ua4397?
Flight ua4397 usually flies a Bombardier CRJ-550 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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Destination Info: Chattanooga Weather & Time
Partly cloudy
|
20°C - 35°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Chicago 12:16| Chattanooga 13:16
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