What is the current status of flight ua3840?

Flight ua3840 has been canceled (status: Canceled). Contact United Airlines or your booking channel for rebooking or refund (updated Oct 23, 2026).

Is flight ua3840 on time today?

Flight ua3840 has been canceled (status: Canceled). Contact United Airlines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.

What route does flight ua3840 fly?

Flight ua3840 is operated by United Airlines from Dayton (DAY) to Chicago (ORD). Typical flight time is about 1 hour 16 minutes; operating days may include Friday.

How can I check real-time status for flight ua3840?

Track flight ua3840 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 ua3840 is delayed or canceled, what should I do?

If ua3840 is delayed or canceled, first confirm the latest status here (Canceled, updated Oct 23, 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 ua3840 departed from Dayton?

Flight ua3840 has been canceled and did not depart from Dayton (DAY). Contact United Airlines or your booking channel for next steps.

United Airlines

UA3840 Flight status

According to real-time data from Trip.com, flight UA3840, operated by United Airlines, scheduled to fly from Dayton (DAY) to Chicago (ORD), has been cancelled. Please contact the airline or airport counter for the latest information.

DAY-CHI

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Canceled

Please refer to the airline for the latest information

Dayton(DAY)

Dayton International Airport

1h 16m

Chicago(ORD)

O'Hare International Airport

Check-in Counter

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.

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UA3840

UA3840 Aircraft Details

Plane model info unavailable

Punctuality (Departure)

Punctuality (Arrival)

Early on average

Age

Seats

Flight Distance

Economy

In-Flight Services

Unknown

Seat Information

Legroom

Seat width

Reclining Angle

Seat layout example

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Flight FAQs

What is the current status of flight ua3840?
Flight ua3840 has been canceled (status: Canceled). Contact United Airlines or your booking channel for rebooking or refund (updated Oct 23, 2026).
Is flight ua3840 on time today?
Flight ua3840 has been canceled (status: Canceled). Contact United Airlines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.
What route does flight ua3840 fly?
Flight ua3840 is operated by United Airlines from Dayton (DAY) to Chicago (ORD). Typical flight time is about 1 hour 16 minutes; operating days may include Friday.
How can I check real-time status for flight ua3840?
Track flight ua3840 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 ua3840 is delayed or canceled, what should I do?
If ua3840 is delayed or canceled, first confirm the latest status here (Canceled, updated Oct 23, 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 ua3840 departed from Dayton?
Flight ua3840 has been canceled and did not depart from Dayton (DAY). Contact United Airlines or your booking channel for next steps.