United Airlines UA3550 Flight Status
According to Trip.com real-time data, the UA3550 flight operated by United Airlines on Sep 21, 2026 is scheduled to fly from Chicago (ORD) to Louisville (SDF). The flight is expected to depart at 7:15 AM (local time in Chicago, UTC-5) and land at 9:03 AM (local time in Louisville, UTC-4) .
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived on time
1h 39m
Check-in Counter
--
Boarding Gate
E4
Arrival Gate
A15
Baggage
2
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Scheduled
Your flight will depart on time.
1h 39m
Check-in Counter
--
Boarding Gate
C4
Arrival Gate
A15
Baggage
A
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Scheduled
Your flight will depart on time.
1h 39m
Check-in Counter
--
Boarding Gate
E4
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 Chicago to Louisville or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA3695
|
Cincinnati (CVG) 
Chicago (CHI)
Chicago (CHI)Scheduled: 5:55 AM
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UA3550 Aircraft Details
According to Trip.com real-time data, the UA3550 flight flying from Chicago to Louisville on 9/21/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 11y, 2m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
55%
Punctuality (Arrival)
100%
Early on average
20 minutes
Age
11y, 2m
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Inflight entertainment is available
Unknown
No power outlets are available
Seat Information
79 cm
More legroom than on 18% of flights
46 cm
Seat width better than on 24% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
Power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width better than on 24% of flights
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
More legroom than on 12% of flights
46 cm
Seat width better than on 24% of flights
105°
Reclining Angle
--
Seat layout example
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Flight History for UA3550
Trip.com historical records show that the last UA3550 flight departed on Sun, Sep 20 from ORD at approximately 7:45 AM. This flight is expected to arrrive in SDF at 9:34 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Sep 16 | Chicago (ORD) | Louisville (SDF) | E75L | 7:45 AM | 9:53 AM | Arrived |
| Thu, Sep 17 | Chicago (ORD) | Louisville (SDF) | E75L | 7:15 AM | 9:03 AM | Delayed |
| Fri, Sep 18 | Chicago (ORD) | Louisville (SDF) | E75L | 7:38 AM | 9:27 AM | Arrived |
| Sat, Sep 19 | Chicago (ORD) | Louisville (SDF) | E75L | -- | -- | Canceled |
| Sun, Sep 20 | Chicago (ORD) | Louisville (SDF) | E75L | 7:45 AM | 9:34 AM | Arrived |
| Mon, Sep 21 | Chicago (ORD) | Louisville (SDF) | E75L | 7:15 AM | 9:03 AM | Scheduled |
| Tue, Sep 22 | Chicago (ORD) | Louisville (SDF) | E75L | 7:15 AM | 9:54 AM | Scheduled |
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UA3550 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA3550 is 55% (Late on average 25 minutes), and the on-time arrival rate is 100% (Early on average 20 minutes).
On-Time Departures
Punctuality
55%
Late on average 25 minutes
Early
0%
On time
55%
30 mins late
45%
60 mins late
0%
90 mins late
0%
Canceled
8%
On-Time Arrivals
Punctuality
100%
Early on average 20 minutes
Early
82%
On time
18%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Canceled
8%
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Frequently Asked Questions
What is the current status of flight ua3550?
Flight ua3550 has not departed yet and is currently on schedule. Scheduled departure 7:15 AM, arrival 9:54 AM (updated Sep 21, 2026).Is flight ua3550 on time today?
Flight ua3550 has not departed yet and is currently on schedule. Scheduled departure is 7:15 AM, with arrival at 9:54 AM. Recheck gate and timing before you head to the airport.Has flight ua3550 departed yet? What is the departure time?
Flight ua3550 is scheduled to depart at 7:15 AM. The latest actual or estimated departure time is 7:15 AM, and the current status is Scheduled (updated Sep 21, 2026).When is flight ua3550 scheduled to arrive?
Flight ua3550 is scheduled to arrive at 9:54 AM. The latest estimated or actual arrival time is 9:03 AM. Status is Scheduled as of Sep 21, 2026.What is the gate information for flight ua3550?
For flight ua3550, the departure terminal is T2 and the boarding gate is C4. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua3550 fly?
Flight ua3550 is operated by United Airlines from Chicago (ORD) to Louisville (SDF). Typical flight time is about 1 hour39 minutes; operating days may include Monday.How can I check real-time status for flight ua3550?
Track flight ua3550 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 ua3550 is delayed or canceled, what should I do?
If ua3550 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 ua3550 departed from Chicago?
Flight ua3550 has not departed from Chicago (ORD) yet and is currently on schedule for 7:15 AM.What is the seat configuration for flight ua3550?
Flight ua3550 usually flies a Embraer 175 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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Time on arrival: Chicago 08:54| Louisville 09:54
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