United Airlines UA4187 Flight Status
According to Trip.com real-time data, the UA4187 flight operated by United Airlines on Sep 20, 2026 is scheduled to fly from Dayton (DAY) to Washington D.C. (IAD). The flight is expected to depart at 2:50 PM and land at 3:52 PM .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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Arrived
The flight has arrived 1h 15m late
1h 32m
Check-in Counter
--
Boarding Gate
B19
Arrival Gate
A3C
Baggage
5
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Scheduled
Your flight will depart on time.
1h 32m
Check-in Counter
--
Boarding Gate
B19
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 32m
Check-in Counter
--
Boarding Gate
B19
Arrival Gate
--
Baggage
--
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
UA4561
|
Washington D.C. (WAS) 
Dayton (DAY)
Dayton (DAY)Scheduled: 2:13 PM
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UA4187 Aircraft Details
According to Trip.com real-time data, the UA4187 flight flying from Dayton to Washington D.C. on 9/20/2026 is operated by the aircraft model Bombardier CRJ-550. This aircraft has been in service for 17y, 6m. The aircraft is equipped with 50 seats.
Bombardier CRJ-550
Punctuality (Departure)
90%
Punctuality (Arrival)
100%
Early on average
18 minutes
Age
17y, 6m
Seats
50
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
USB port
Seat Information
79 cm
Legroom
44 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
Snacks
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
44 cm
Seat width
100°
Reclining Angle
--
Seat layout example
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Flight History for UA4187
Trip.com historical records show that the last UA4187 flight departed on Sat, Sep 19 from DAY at approximately 4:33 PM. This flight is expected to arrrive in IAD at 5:37 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 2:54 PM | 4:01 PM | Arrived |
| Wed, Sep 16 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 2:54 PM | 3:54 PM | Arrived |
| Thu, Sep 17 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 3:20 PM | 4:51 PM | Arrived |
| Fri, Sep 18 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 3:00 PM | 4:08 PM | Arrived |
| Sat, Sep 19 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 4:33 PM | 5:37 PM | Arrived |
| Sun, Sep 20 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 2:50 PM | 3:52 PM | Scheduled |
| Mon, Sep 21 | Dayton (DAY) | Washington D.C. (IAD) | CRJ7 | 2:50 PM | 4:22 PM | Scheduled |
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UA4187 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4187 is 90% (Late on average 8 minutes), and the on-time arrival rate is 100% (Early on average 18 minutes).
On-Time Departures
Punctuality
90%
Late on average 8 minutes
Early
0%
On time
90%
30 mins late
10%
60 mins late
0%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
100%
Early on average 18 minutes
Early
90%
On time
10%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Canceled
0%
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Cheap return flights to Dayton
- Sat, Oct 10Washington D.C. (WAS)Dayton (DAY)
American AirlinesOne way32% off€280€191 - Wed, Nov 11Washington D.C. (WAS)Dayton (DAY) American AirlinesOne way29% off€280€198
- Thu, Nov 5Washington D.C. (WAS)Dayton (DAY) American AirlinesOne way29% off€280€199
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Frequently Asked Questions
What is the current status of flight ua4187?
Flight ua4187 has not departed yet and is currently on schedule. Scheduled departure 2:50 PM, arrival 4:22 PM (updated Sep 20, 2026).Is flight ua4187 on time today?
Flight ua4187 has not departed yet and is currently on schedule. Scheduled departure is 2:50 PM, with arrival at 4:22 PM. Recheck gate and timing before you head to the airport.Has flight ua4187 departed yet? What is the departure time?
Flight ua4187 is scheduled to depart at 2:50 PM. The latest actual or estimated departure time is 2:50 PM, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua4187 scheduled to arrive?
Flight ua4187 is scheduled to arrive at 4:22 PM. The latest estimated or actual arrival time is 3:52 PM. Status is Scheduled as of Sep 20, 2026.What route does flight ua4187 fly?
Flight ua4187 is operated by United Airlines from Dayton (DAY) to Washington D.C. (IAD). Typical flight time is about 1 hour32 minutes; operating days may include Sunday.How can I check real-time status for flight ua4187?
Track flight ua4187 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 ua4187 is delayed or canceled, what should I do?
If ua4187 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 ua4187 departed from Dayton?
Flight ua4187 has not departed from Dayton (DAY) yet and is currently on schedule for 2:50 PM.What is the seat configuration for flight ua4187?
Flight ua4187 usually flies a Bombardier CRJ-550 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: Washington D.C. Weather & Current Time
Mostly cloudy
|
20°C - 26°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Dayton 15:52| Washington D.C. 15:52
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