United Airlines UA2666 Flight Status
Based on Trip.com real-time data, flight UA2666 operated by United Airlines from Chicago (ORD) to Santa Ana (SNA) on Sep 21, 2026 has departed at 05:23 (Local time in Chicago, UTC-5) and is expected to arrive at 08:58 (Local time in Santa Ana, UTC-7) at John Wayne Airport (SNA).
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived 16m early
6h 7m
DEN
38m
Check-in Counter
--
Boarding Gate
B5
Arrival Gate
9
Baggage
4
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En route
Your flight has departed Chicago and is expected to arrive in Santa Ana at 08:58.
6h 7m
DEN
1h 7m
Check-in Counter
--
Boarding Gate
B4
Arrival Gate
10
Baggage
4
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Scheduled
Your flight will depart on time.
6h 7m
DEN
1h 1m
Check-in Counter
--
Boarding Gate
B9
Arrival Gate
10
Baggage
4
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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 Santa Ana or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA2258
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Bozeman (BZN) 
Chicago (CHI)
Chicago (CHI)Scheduled: 22:46
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UA2666 Aircraft Details
According to Trip.com real-time data, the UA2666 flight flying from Chicago to Santa Ana on 9/21/2026 is operated by the aircraft model Airbus A321neo. This aircraft has been in service for 2y, 4m. The aircraft is equipped with 200 seats.
Airbus A321neo
Punctuality (Departure)
83%
Punctuality (Arrival)
100%
Early on average
16 minutes
Age
2y, 4m
Seats
200
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
Unknown
Wi-Fi is available
USB port and power outlet
Seating Plan
76 cm
Legroom
47 cm
Seat width better than on 82% of flights
100°
Reclining Angle
--
Seat layout example
Onboard Amenities
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seating Plan
94 cm
Legroom
53 cm
Seat width better than on 13% of flights
120°
Reclining Angle
--
Seat layout example
Onboard Amenities
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seating Plan
84 cm
Legroom
47 cm
Seat width better than on 82% of flights
110°
Reclining Angle
--
Seat layout example
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Flight History for UA2666
Trip.com historical records show that the last UA2666 flight departed on Sun, Sep 20 from ORD at approximately 05:52. This flight is expected to arrrive in SNA at 08:51.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 17 | Chicago (ORD) | Santa Ana (SNA) | B38M | 05:06 | 08:48 | Arrived |
| Fri, Sep 18 | Chicago (ORD) | Santa Ana (SNA) | B38M | 05:17 | 08:53 | Arrived |
| Sat, Sep 19 | Chicago (ORD) | Santa Ana (SNA) | B38M | 05:20 | 08:54 | Arrived |
| Sun, Sep 20 | Chicago (ORD) | Santa Ana (SNA) | B38M | 05:52 | 08:51 | Arrived |
| Mon, Sep 21 | Chicago (ORD) | Santa Ana (SNA) | B38M | 05:23 | 08:58 | En route |
| Tue, Sep 22 | Chicago (ORD) | Santa Ana (SNA) | A21N | 05:00 | 09:07 | Scheduled |
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UA2666 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA2666 is 83% (Late on average 25 minutes), and the on-time arrival rate is 100% (Early on average 16 minutes).
On-Time Departures
Punctuality
83%
Late on average 25 minutes
Early
0%
On time
83%
30 mins late
10%
60 mins late
0%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
100%
Early on average 16 minutes
Early
93%
On time
7%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight ua2666?
Flight ua2666 has departed (status: En route). Departure 05:23, estimated arrival 08:58 (updated Sep 21, 2026).Is flight ua2666 on time today?
Flight ua2666 has already departed (status: En route). It took off at 05:23 and is estimated to arrive at 08:58.Has flight ua2666 departed yet? What is the departure time?
Flight ua2666 is scheduled to depart at 05:00. The latest actual or estimated departure time is 05:23, and the current status is En route (updated Sep 21, 2026).When is flight ua2666 scheduled to arrive?
Flight ua2666 is scheduled to arrive at 09:07. The latest estimated or actual arrival time is 08:58. Status is En route as of Sep 21, 2026.What is the gate information for flight ua2666?
For flight ua2666, the departure terminal is T1 and the boarding gate is B4. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ua2666?
After arrival, baggage for flight ua2666 is expected at carousel 4 in terminal B. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua2666 fly?
Flight ua2666 is operated by United Airlines from Chicago (ORD) to Santa Ana (SNA). Typical flight time is about 6 hours7 minutes; operating days may include Monday.How can I check real-time status for flight ua2666?
Track flight ua2666 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 ua2666 is delayed or canceled, what should I do?
If ua2666 is delayed or canceled, first confirm the latest status here (En route, 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 ua2666 departed from Chicago?
Flight ua2666 has departed from Chicago (ORD) at 05:23 (status: En route).
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Destination Info: Santa Ana Weather & Time
Mostly cloudy
|
20°C - 28°C
Expected weather conditions upon arrival
-2 hour time difference
Time on arrival: Chicago 11:07| Santa Ana 09:07
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