United Airlines UA645 Flight Status
Based on Trip.com’s real-time data, the UA645 flight operated by United Airlines on Nov 11, 2026 is scheduled to fly from Denver (DEN) to Sioux Falls (FSD). The flight is expected to depart at 17:25 (local time in Denver, UTC-7) and land at 19:32 (local time in Sioux Falls, UTC-6) .
Tue, Nov 10
Wed, Nov 11
Thu, Nov 12
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Arrived
The flight has arrived 26m early
1h 39m
Check-in Counter
7,8
Boarding Gate
B9
Arrival Gate
6
Baggage
1
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Scheduled
Your flight will depart on time.
1h 39m
Check-in Counter
7,8
Boarding Gate
A36
Arrival Gate
7
Baggage
1
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Need a flight from Denver to Sioux Falls?
United Airlines From £182
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Scheduled
Your flight will depart on time.
1h 39m
Check-in Counter
7,8
Boarding Gate
--
Arrival Gate
7
Baggage
1
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Need a flight from Denver to Sioux Falls?
United Airlines From £182
Search flights Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Denver to Sioux Falls or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA1126
|
Washington D.C. (WAS)
Denver (DEN)
Denver (DEN)
Scheduled: 16:13
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UA645 Aircraft Details
According to Trip.com real-time data, the UA645 flight flying from Denver to Sioux Falls on 11/11/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 11y, 10m. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
93
%
Punctuality (Arrival)
93
%
Early on average
11 minutes
Age
11y, 10m
Seats
179
Distance
--
Economy
First
Premium Economy
Onboard Amenities
Snacks
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
--
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Snacks
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
None
Live TV
Wi-Fi is available
Power outlet
Seating Plan
86 cm
Legroom
43 cm
Seat width
105°
Reclining Angle
3-3
Seat layout example
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Flight History for UA645
Trip.com historical records show that the last UA645 flight departed on Tue, Nov 10 from DEN at approximately 17:34. This flight is expected to arrrive in FSD at 19:38.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Nov 6 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:43 | 19:50 | Arrived |
| Sat, Nov 7 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:45 | 19:56 | Arrived |
| Sun, Nov 8 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:43 | 19:55 | Arrived |
| Mon, Nov 9 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:47 | 19:51 | Arrived |
| Tue, Nov 10 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:34 | 19:38 | Arrived |
| Wed, Nov 11 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:25 | 19:32 | Scheduled |
| Thu, Nov 12 | Denver (DEN) | Sioux Falls (FSD) | 739 | 17:25 | 20:04 | Scheduled |
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UA645 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA645 is 93% (Late on average 21 minutes), and the on-time arrival rate is 93% (Early on average 11 minutes).
On-Time Departures
Punctuality
93
%
Late on average
21 minutes
Early
0
%
On time
93
%
30 mins late
0
%
60 mins late
3
%
90 mins late
3
%
Cancelled
1
%
On-Time Arrivals
Punctuality
93
%
Early on average
11 minutes
Early
93
%
On time
0
%
30 mins late
3
%
60 mins late
3
%
90 mins late
0
%
Cancelled
1
%
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Frequently Asked Questions
What is the current status of flight ua645?
Flight ua645 has not departed yet and is currently on schedule. Scheduled departure 17:25, arrival 20:04 (updated Nov 11, 2026).Is flight ua645 on time today?
Flight ua645 has not departed yet and is currently on schedule. Scheduled departure is 17:25, with arrival at 20:04. Recheck gate and timing before you head to the airport.Has flight ua645 departed yet? What is the departure time?
Flight ua645 is scheduled to depart at 17:25. The latest actual or estimated departure time is 17:25, and the current status is Scheduled (updated Nov 11, 2026).When is flight ua645 scheduled to arrive?
Flight ua645 is scheduled to arrive at 20:04. The latest estimated or actual arrival time is 19:32. Status is Scheduled as of Nov 11, 2026.What route does flight ua645 fly?
Flight ua645 is operated by United Airlines from Denver (DEN) to Sioux Falls (FSD). Typical flight time is about 1 hour39 minutes; operating days may include Wednesday.How can I check real-time status for flight ua645?
Track flight ua645 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 ua645 is delayed or canceled, what should I do?
If ua645 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 11, 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 ua645 departed from Denver?
Flight ua645 has not departed from Denver (DEN) yet and is currently on schedule for 17:25.What is the seat configuration for flight ua645?
Flight ua645 usually flies a Boeing 737-900 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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Destination Info: Sioux Falls Weather & Time
Mostly cloudy
|
4°C - 17°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Denver 18:32
|
Sioux Falls 19:32
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