United Airlines UA3421 Flight status
According to Trip.com real-time data, the UA3421 flight operated by United Airlines on Oct 28, 2026, flying from Buffalo (BUF) to Charlotte (CLT), departed at 06:01 and is expected to arrive at 11:08 at Charlotte Douglas International Airport (CLT).
Tue, Oct 27
Wed, Oct 28
Thu, Oct 29
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Arrived
The flight has arrived 47m early
5h 39m
EWR
2h 16m
Check-in Counter
--
Boarding Gate
11
Arrival Gate
A23
Baggage
2
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En route
Your flight has departed Buffalo and is expected to arrive in Charlotte at 11:08.
5h 39m
EWR
2h 35m
Check-in Counter
--
Boarding Gate
14
Arrival Gate
A27
Baggage
2
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United Airlines From €260
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Scheduled
Your flight will depart on time.
5h 39m
EWR
1h 38m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
A21
Baggage
2
Need a flight from Buffalo to Charlotte?
United Airlines From €260
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Track the Previous Flight Status: Landed at Buffalo
UA3433
|
Charlotte (CLT)
Buffalo (BUF)
Buffalo (BUF)
Scheduled: 22:59
|
43m early
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UA3421 Aircraft Details
According to Trip.com real-time data, the UA3421 flight from Buffalo to Charlotte on 10/28/2026 is operated using the aircraft model Embraer 175. This aircraft has been in service for 9y, 4m. The aircraft has 76 seats.
Embraer 175
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
48 minutes
Age
9y, 4m
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
79 cm
Legroom
46 cm
Seat width better than on 86% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
--
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
Legroom
46 cm
Seat width better than on 86% of flights
105°
Reclining Angle
--
Seat layout example
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Flight History for UA3421
Trip.com historical records show that the last UA3421 flight departed on Tue, Oct 27 from BUF at approximately 06:18. This flight is expected to arrrive in CLT at 10:52.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 24 | Charlotte (CLT) | Chicago (ORD) | E75L | 17:53 | 18:28 | Arrived |
| Sun, Oct 25 | New York (EWR) | Charlotte (CLT) | E75L | 09:31 | 10:46 | Arrived |
| Mon, Oct 26 | Buffalo (BUF) | Charlotte (CLT) | E75L | 06:05 | 10:50 | Arrived |
| Tue, Oct 27 | Buffalo (BUF) | Charlotte (CLT) | E75L | 06:18 | 10:52 | Arrived |
| Wed, Oct 28 | Buffalo (BUF) | Charlotte (CLT) | E75L | 06:01 | 11:08 | En route |
| Thu, Oct 29 | Buffalo (BUF) | Charlotte (CLT) | E75L | 06:00 | 11:39 | Scheduled |
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UA3421 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA3421 is 100% (Late on average 11 minutes), and the on-time arrival rate is 100% (Early on average 48 minutes).
On-Time Departures
Punctuality
100
%
Late on average
11 minutes
Early
0
%
On time
100
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
48 minutes
Early
100
%
On time
0
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua3421?
Flight ua3421 has departed (status: En route). Departure 06:01, estimated arrival 11:08 (updated Oct 28, 2026).Is flight ua3421 on time today?
Flight ua3421 has already departed (status: En route). It took off at 06:01 and is estimated to arrive at 11:08.Has flight ua3421 departed yet? What is the departure time?
Flight ua3421 is scheduled to depart at 06:00. The latest actual or estimated departure time is 06:01, and the current status is En route (updated Oct 28, 2026).When is flight ua3421 scheduled to arrive?
Flight ua3421 is scheduled to arrive at 11:39. The latest estimated or actual arrival time is 11:08. Status is En route as of Oct 28, 2026.What route does flight ua3421 fly?
Flight ua3421 is operated by United Airlines from Buffalo (BUF) to Charlotte (CLT). Typical flight time is about 5 hours 39 minutes; operating days may include Wednesday.How can I check real-time status for flight ua3421?
Track flight ua3421 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 ua3421 is delayed or canceled, what should I do?
If ua3421 is delayed or canceled, first confirm the latest status here (En route, updated Oct 28, 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 ua3421 departed from Buffalo?
Flight ua3421 has departed from Buffalo (BUF) at 06:01 (status: En route).
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Arrival Info: Charlotte Weather & Current Time
Clear
|
8°C - 26°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Buffalo 11:08
|
Charlotte 11:08
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