What is the current status of flight 4b721?

Flight 4b721 has been canceled (status: Canceled). Contact Boutique Air or your booking channel for rebooking or refund (updated Sep 1, 2026).

Is flight 4b721 on time today?

Flight 4b721 has been canceled (status: Canceled). Contact Boutique Air or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.

What route does flight 4b721 fly?

Flight 4b721 is operated by Boutique Air from Alliance (AIA) to Denver (DEN). Typical flight time is about 1 hour; operating days may include Tuesday.

How can I check real-time status for flight 4b721?

Track flight 4b721 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 4b721 is delayed or canceled, what should I do?

If 4b721 is delayed or canceled, first confirm the latest status here (Canceled, updated Sep 1, 2026). Contact Boutique Air or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.

Has flight 4b721 departed from Alliance?

Flight 4b721 has been canceled and did not depart from Alliance (AIA). Contact Boutique Air or your booking channel for next steps.

Boutique Air

4B721 Flight Status

According to real-time data from Trip.com, flight 4B721, operated by Boutique Air and scheduled to fly from Alliance (AIA to Denver (DEN), has been cancelled. Please contact the airline or airport counter for the latest information.

AIA-DEN

Access more flight status info on the Trip.com app

Canceled

Please refer to the airline for the latest information

Alliance(AIA)

Alliance Municipal Airport

Denver(DEN)

Denver International Airport

Check-in Counter

Boarding Gate

Arrival Gate

Baggage

Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Alliance to Denver or track other flights with our flight status tracker.

Trip.com

Flights

Flights to United States

Flights to Colorado

Flights to Denver

Flights from Alliance to Denver

4B721

4B721 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

Frequently Asked Questions

What is the current status of flight 4b721?

Flight 4b721 has been canceled (status: Canceled). Contact Boutique Air or your booking channel for rebooking or refund (updated Sep 1, 2026).
Is flight 4b721 on time today?

Flight 4b721 has been canceled (status: Canceled). Contact Boutique Air or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.
What route does flight 4b721 fly?

Flight 4b721 is operated by Boutique Air from Alliance (AIA) to Denver (DEN). Typical flight time is about 1 hour; operating days may include Tuesday.
How can I check real-time status for flight 4b721?

Track flight 4b721 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 4b721 is delayed or canceled, what should I do?

If 4b721 is delayed or canceled, first confirm the latest status here (Canceled, updated Sep 1, 2026). Contact Boutique Air or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.
Has flight 4b721 departed from Alliance?

Flight 4b721 has been canceled and did not depart from Alliance (AIA). Contact Boutique Air or your booking channel for next steps.