United Airlines UA2278 Flight Status
According to Trip.com real-time data, the UA2278 flight operated by United Airlines on Sep 20, 2026 is scheduled to fly from San Diego (SAN) to Chicago (ORD). The flight is expected to depart at 7:41 PM (local time in San Diego, UTC-7) and land at 5:01 AM (local time in Chicago, UTC-5) .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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En route
Your flight has departed San Diego and is expected to arrive in Chicago at 5:01 AM.
7h 20m
SFO
1h 26m
Check-in Counter
--
Boarding Gate
44
Arrival Gate
C23
Baggage
11
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Scheduled
Your flight will depart on time.
7h 20m
SFO
1h 45m
Check-in Counter
--
Boarding Gate
39
Arrival Gate
C23
Baggage
11
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Scheduled
Your flight will depart on time.
7h 20m
SFO
1h 4m
Check-in Counter
--
Boarding Gate
39
Arrival Gate
--
Baggage
--
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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 San Diego to Chicago or track other flights with our flight status tracker.
Flight.News
Chicago weather alert: A Flood Watch is in effect through early Sunday morning as heavy rainfall may cause flash flooding across urban areas, roads, and creeks. Additionally, a Beach Hazards Statement is in effect until 3 PM CDT this afternoon, with waves of 4 to 6 feet and dangerous currents creating life-threatening swimming conditions along Lake Michigan beaches.
Track the Previous Flight Status: Scheduled
UA1561
|
Washington D.C. (WAS) 
San Diego (SAN)
San Diego (SAN)Scheduled: 6:35 PM
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UA2278 Aircraft Details
According to Trip.com real-time data, the UA2278 flight flying from San Diego to Chicago on 9/20/2026 is operated by the aircraft model Boeing 757-300. This aircraft has been in service for 24y. The aircraft is equipped with 234 seats.
Boeing 757-300
Punctuality (Departure)
17%
Punctuality (Arrival)
97%
Early on average
23 minutes
Age
24y
Seats
234
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Entertainment available, please bring your own device
Wi-Fi is available
No power outlets are available
Seat Information
--
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Snacks
Entertainment available, please bring your own device
Wi-Fi is available
Power outlet
Seat Information
97 cm
More legroom than on 67% of flights
51 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Snacks
Entertainment available, please bring your own device
Wi-Fi is available
Power outlet
Seat Information
--
Legroom
43 cm
Seat width better than on 6% of flights
100°
Reclining Angle
3-3
Seat layout example
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Flight History for UA2278
Trip.com historical records show that the last UA2278 flight departed on Sat, Sep 19 from SAN at approximately 8:00 PM. This flight is expected to arrrive in ORD at 5:01 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | San Francisco (SFO) | Chicago (ORD) | 753 | 11:19 PM | 4:37 AM | Arrived |
| Wed, Sep 16 | San Francisco (SFO) | Chicago (ORD) | 753 | 11:49 PM | 5:13 AM | Arrived |
| Thu, Sep 17 | San Diego (SAN) | Chicago (ORD) | 753 | 8:46 PM | 4:38 AM | Arrived |
| Fri, Sep 18 | San Diego (SAN) | Chicago (ORD) | A21N | 9:28 PM | 4:57 AM | Arrived |
| Sat, Sep 19 | San Diego (SAN) | Chicago (ORD) | 753 | 8:00 PM | 5:01 AM | En route |
| Sun, Sep 20 | San Diego (SAN) | Chicago (ORD) | 753 | 7:41 PM | 5:01 AM | Scheduled |
| Mon, Sep 21 | San Diego (SAN) | Chicago (ORD) | 738 | 7:41 PM | 5:01 AM | Scheduled |
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UA2278 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA2278 is 17% (Late on average 1 hour14 minutes), and the on-time arrival rate is 97% (Early on average 23 minutes).
On-Time Departures
Punctuality
17%
Late on average 1 hour14 minutes
Early
0%
On time
17%
30 mins late
33%
60 mins late
13%
90 mins late
37%
Canceled
0%
On-Time Arrivals
Punctuality
97%
Early on average 23 minutes
Early
93%
On time
3%
30 mins late
0%
60 mins late
3%
90 mins late
0%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight ua2278?
Flight ua2278 has not departed yet and is currently on schedule. Scheduled departure 7:41 PM, arrival 5:01 AM (updated Sep 20, 2026).Is flight ua2278 on time today?
Flight ua2278 has not departed yet and is currently on schedule. Scheduled departure is 7:41 PM, with arrival at 5:01 AM. Recheck gate and timing before you head to the airport.Has flight ua2278 departed yet? What is the departure time?
Flight ua2278 is scheduled to depart at 7:41 PM. The latest actual or estimated departure time is 7:41 PM, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua2278 scheduled to arrive?
Flight ua2278 is scheduled to arrive at 5:01 AM. The latest estimated or actual arrival time is 5:01 AM. Status is Scheduled as of Sep 20, 2026.What is the gate information for flight ua2278?
For flight ua2278, the departure terminal is T2 and the boarding gate is 39. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ua2278?
After arrival, baggage for flight ua2278 is expected at carousel 11 in terminal T1. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua2278 fly?
Flight ua2278 is operated by United Airlines from San Diego (SAN) to Chicago (ORD). Typical flight time is about 7 hours20 minutes; operating days may include Sunday.How can I check real-time status for flight ua2278?
Track flight ua2278 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 ua2278 is delayed or canceled, what should I do?
If ua2278 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 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 ua2278 departed from San Diego?
Flight ua2278 has not departed from San Diego (SAN) yet and is currently on schedule for 7:41 PM.What is the seat configuration for flight ua2278?
Flight ua2278 usually flies a Boeing 757-300 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Time on arrival: San Diego 03:01| Chicago 05:01
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