United Airlines UA421 Flight Status
According to Trip.com latest record on status for United Airlines flight UA421 from Denver to Chicago (DEN-ORD): Flights for Oct 30, 2026 are scheduled, with the next departure slated for 16:10 from DEN and an expected arrival at 00:01 at ORD .
Thu, Oct 29
Fri, Oct 30
Sat, Oct 31
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Returning to airport
The flight is returning to the departure airport.
6h 51m
IAD
3h 5m
Check-in Counter
7,8
Boarding Gate
B18
Arrival Gate
C18A
Baggage
3
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Scheduled
Your flight will depart on time.
6h 51m
IAD
1h 46m
Check-in Counter
7,8
Boarding Gate
B25
Arrival Gate
B11
Baggage
3
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Scheduled
Your flight will depart on time.
6h 51m
IAD
1h 17m
Check-in Counter
7,8
Boarding Gate
--
Arrival Gate
--
Baggage
3
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United Airlines From €116
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UA1587
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Washington D.C. (WAS)
Houston (HOU)
Houston (HOU)
Scheduled: 20:58
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UA421 Aircraft Specifications
According to Trip.com real-time data, the UA421 flight from Denver to Chicago on 10/30/2026 is operated using the aircraft model Boeing 737-900. This aircraft has been in service for 13y, 11m. The aircraft has 179 seats.
Boeing 737-900
On-Time Departure
73
%
On-Time Arrival
97
%
Avg. Early
8 minutes
Aircraft Age
13y, 11m
Total Seats
179
Flight Distance
--
Economy
First
Premium Economy
Cabin Amenities
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
76 cm
More legroom than on 3% of flights
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
Cabin Amenities
Meal included
Live TV
Wi-Fi is available
Power outlet
Seat Information
94 cm
More legroom than on 4% of flights
--
Seat width
120°
Reclining Angle
2-2
Seat layout example
Cabin Amenities
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
More legroom than on 19% of flights
44 cm
Seat width better than on 49% of flights
105°
Reclining Angle
3-3
Seat layout example
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UA421 Flight History
Check more records from Trip.com about UA421 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 25 | Denver (DEN) | Chicago (ORD) | A21N | 16:18 | 23:30 | Arrived |
| Mon, Oct 26 | Denver (DEN) | Chicago (ORD) | A21N | 16:18 | 23:58 | Arrived |
| Tue, Oct 27 | Denver (DEN) | Chicago (ORD) | B38M | 17:16 | 23:26 | Arrived |
| Wed, Oct 28 | Denver (DEN) | Chicago (ORD) | A21N | 16:19 | 23:29 | Arrived |
| Thu, Oct 29 | Denver (DEN) | Chicago (ORD) | B39M | 16:19 | 23:37 | Returning to airport |
| Fri, Oct 30 | Denver (DEN) | Chicago (ORD) | 739 | 16:10 | 00:01 | Scheduled |
| Sat, Oct 31 | Denver (DEN) | Chicago (ORD) | 739 | 16:10 | 00:01 | Scheduled |
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UA421 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA421 is 73% (Late on average 25 minutes), and the on-time arrival rate is 97% (Early on average 8 minutes).
On-Time Departures
Punctuality
73
%
Late on average
25 minutes
Early
0
%
On time
73
%
30 mins late
17
%
60 mins late
7
%
90 mins late
3
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
8 minutes
Early
73
%
On time
23
%
30 mins late
0
%
60 mins late
0
%
90 mins late
3
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua421?
Flight ua421 has not departed yet and is currently on schedule. Scheduled departure 16:10, arrival 00:01 (updated Oct 30, 2026).Is flight ua421 on time today?
Flight ua421 has not departed yet and is currently on schedule. Scheduled departure is 16:10, with arrival at 00:01. Recheck gate and timing before you head to the airport.Has flight ua421 departed yet? What is the departure time?
Flight ua421 is scheduled to depart at 16:10. The latest actual or estimated departure time is 16:10, and the current status is Scheduled (updated Oct 30, 2026).When is flight ua421 scheduled to arrive?
Flight ua421 is scheduled to arrive at 00:01. The latest estimated or actual arrival time is 00:01. Status is Scheduled as of Oct 30, 2026.What is the baggage carousel number for flight ua421?
After arrival, baggage for flight ua421 is expected at carousel 3 in terminal T1. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua421 fly?
Flight ua421 is operated by United Airlines from Denver (DEN) to Chicago (ORD). Typical flight time is about 6 hours 51 minutes; operating days may include Friday.How can I check real-time status for flight ua421?
Track flight ua421 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 ua421 is delayed or canceled, what should I do?
If ua421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 30, 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 ua421 departed from Denver?
Flight ua421 has not departed from Denver (DEN) yet and is currently on schedule for 16:10.What is the seat configuration for flight ua421?
Flight ua421 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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