United Airlines UA1521 Flight Status
According to Trip.com real-time data, the UA1521 flight operated by United Airlines on Mar 21, 2026 is scheduled to fly from Dayton (DAY) to Denver (DEN). The flight is expected to depart at 08:34 (local time in Dayton, UTC-4) and land at 09:15 (local time in Denver, UTC-6) .
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
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Arrived
The flight has arrived 48m early
3h 26m
Check-in Counter
--
Boarding Gate
B18
Arrival Gate
B18
Baggage
14
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Scheduled
Your flight will depart on time.
3h 26m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
B8
Baggage
--
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Scheduled
Your flight will depart on time.
3h 26m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlight. Please refer to airport announcements for the most up-to-date information.
UA1521 Aircraft Details
Airbus A319
Punctuality (Departure)
88%
Punctuality (Arrival)
94%
Early on average
21 minutes
Age
28y, 10m
Seats
128
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Unknown
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
94 cm
Legroom
--
Seat width
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
86 cm
Legroom
45 cm
Seat width
105°
Reclining Angle
3-3
Seat layout example
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Recent Flight History for UA1521
Trip.com historical records show that the last UA1521 flight departed on Fri, Mar 20 from DAY at approximately 08:36. This flight is expected to arrrive in DEN at 09:12.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Mar 16 | Dayton (DAY) | Denver (DEN) | 319 | 09:25 | 09:55 | Arrived |
| Tue, Mar 17 | Dayton (DAY) | Denver (DEN) | 319 | 08:36 | 09:06 | Arrived |
| Wed, Mar 18 | Dayton (DAY) | Denver (DEN) | 319 | 08:42 | 09:15 | Arrived |
| Thu, Mar 19 | Dayton (DAY) | Denver (DEN) | 319 | 08:39 | 09:14 | Arrived |
| Fri, Mar 20 | Dayton (DAY) | Denver (DEN) | 319 | 08:36 | 09:12 | Arrived |
| Sat, Mar 21 | Dayton (DAY) | Denver (DEN) | 319 | 08:34 | 09:15 | Scheduled |
| Sun, Mar 22 | Dayton (DAY) | Denver (DEN) | 319 | 08:34 | 10:00 | Scheduled |
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UA1521 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1521 is 88% (Late on average 21 minutes), and the on-time arrival rate is 94% (Early on average 21 minutes).
On-Time Departures
Punctuality
88%
Late on average 21 minutes
Early
13%
On time
75%
30 mins late
6%
60 mins late
0%
90 mins late
6%
Cancelled
0%
On-Time Arrivals
Punctuality
94%
Early on average 21 minutes
Early
88%
On time
6%
30 mins late
0%
60 mins late
0%
90 mins late
6%
Cancelled
0%
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Arrival Info: Denver Weather & Current Time
Mostly clear
|
8°C - 29°C
Weather forecast for your arrival day
-2 hour time difference
Time on arrival: Dayton 12:00| Denver 10:00
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