United Airlines UA3646 Flight status
According to Trip.com real-time data, the UA3646 flight operated by United Airlines on Sep 20, 2026 is scheduled to fly from Washington D.C. (IAD) to Columbus (CMH). The flight is expected to depart at 22:30 and arrive at 23:22 .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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Arrived
The flight has arrived 21m early
1h 29m
Check-in Counter
AREA 4
Boarding Gate
C11
Arrival Gate
B35
Baggage
2
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Scheduled
Your flight will depart on time.
1h 29m
Check-in Counter
AREA 4
Boarding Gate
A2B
Arrival Gate
--
Baggage
2
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Scheduled
Your flight will depart on time.
1h 29m
Check-in Counter
AREA 4
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
UA3667
|
Pittsburgh (PIT) 
Washington D.C. (WAS)
Washington D.C. (WAS)Scheduled: 21:13
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UA3646 Aircraft Details
According to Trip.com real-time data, the UA3646 flight from Washington D.C. to Columbus on 9/20/2026 is operated using the aircraft model Embraer 175. This aircraft has been in service for 2y, 4m. The aircraft has 76 seats.
Embraer 175
Punctuality (Departure)
67%
Punctuality (Arrival)
90%
Early on average
8 minutes
Age
2y, 4m
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 60% of flights
46 cm
Seat width better than on 60% 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 60% of flights
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Unknown
No power outlets are available
Seat Information
86 cm
Legroom
46 cm
Seat width better than on 60% of flights
105°
Reclining Angle
--
Seat layout example
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Flight History for UA3646
Trip.com historical records show that the last UA3646 flight departed on Sat, Sep 19 from IAD at approximately 22:47. This flight is expected to arrrive in CMH at 23:38.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 22:33 | 23:20 | Arrived |
| Wed, Sep 16 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 23:20 | 00:08 | Arrived |
| Thu, Sep 17 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 22:42 | 23:28 | Arrived |
| Fri, Sep 18 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 23:07 | 23:56 | Arrived |
| Sat, Sep 19 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 22:47 | 23:38 | Arrived |
| Sun, Sep 20 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 22:30 | 23:22 | Scheduled |
| Mon, Sep 21 | Washington D.C. (IAD) | Columbus (CMH) | E75L | 22:30 | 23:59 | Scheduled |
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UA3646 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA3646 is 67% (Late on average 28 minutes), and the on-time arrival rate is 90% (Early on average 8 minutes).
On-Time Departures
Punctuality
67%
Late on average 28 minutes
Early
0%
On time
67%
30 mins late
23%
60 mins late
3%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
90%
Early on average 8 minutes
Early
70%
On time
20%
30 mins late
3%
60 mins late
7%
90 mins late
0%
Cancelled
0%
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Cheap return flights to Washington D.C.
- Tue, Oct 13Columbus (CMH)Washington D.C. (WAS)
Frontier AirlinesOne way38% off₹ 8,969₹ 5,553 - Thu, Oct 8Columbus (CMH)Washington D.C. (WAS) Frontier AirlinesOne way17% off₹ 8,969₹ 7,457
- Thu, Oct 15Columbus (CMH)Washington D.C. (WAS) Frontier AirlinesOne way17% off₹ 8,969₹ 7,457
- Sat, Sep 26Columbus (CMH)Washington D.C. (WAS) Frontier AirlinesOne way15% off₹ 8,969₹ 7,614
- Wed, Nov 4Columbus (CMH)Washington D.C. (WAS)
Delta Air LinesOne way14% off₹ 8,969₹ 7,714 - Thu, Oct 1Columbus (CMH)Washington D.C. (WAS) Frontier AirlinesOne way10% off₹ 8,969₹ 8,072
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Flight FAQs
What is the current status of flight ua3646?
Flight ua3646 has not departed yet and is currently on schedule. Scheduled departure 22:30, arrival 23:59 (updated Sep 20, 2026).Is flight ua3646 on time today?
Flight ua3646 has not departed yet and is currently on schedule. Scheduled departure is 22:30, with arrival at 23:59. Recheck gate and timing before you head to the airport.Has flight ua3646 departed yet? What is the departure time?
Flight ua3646 is scheduled to depart at 22:30. The latest actual or estimated departure time is 22:30, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua3646 scheduled to arrive?
Flight ua3646 is scheduled to arrive at 23:59. The latest estimated or actual arrival time is 23:22. Status is Scheduled as of Sep 20, 2026.What route does flight ua3646 fly?
Flight ua3646 is operated by United Airlines from Washington D.C. (IAD) to Columbus (CMH). Typical flight time is about 1 hour 29 minutes; operating days may include Sunday.How can I check real-time status for flight ua3646?
Track flight ua3646 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 ua3646 is delayed or canceled, what should I do?
If ua3646 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 ua3646 departed from Washington D.C.?
Flight ua3646 has not departed from Washington D.C. (IAD) yet and is currently on schedule for 22:30.What is the seat configuration for flight ua3646?
Flight ua3646 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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Arrival Info: Columbus Weather & Current Time
Thunderstorms
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22°C - 29°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Washington D.C. 23:22| Columbus 23:22
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