The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Denver International ⇄ Valley International DEN–HRL

Airlines flew 10 flights between Denver International DEN in Denver, CO and Valley International HRL in Harlingen, TX in the twelve months to July 2026, both directions together: 450 passengers in 1,155 seats, 39% of them filled. 1,023 miles, about 128 minutes in the air, on 3 airlines: SkyWest Airlines Inc. (6), Global Crossing Airlines, Inc. (3), Southwest Airlines Co. (1). Planning to fly it yourself? The weather and winds along this route right now.

10
flights, twelve months
DEN-HRL: 6 · HRL-DEN: 4
450
passengers
39% of seats filled
1,023
miles
about 128 minutes airborne
3
airlines
4 aircraft types

Flights by month both directions

024572/256/2512/2517/26
By month, as a table
flights
2/251
3/257
5/251
6/251
7/252
8/251
12/251
3/266
5/261
7/261

Passengers by month

01022033044062/256/2512/2587/26
By month, as a table
passengers
2/2593
3/25406
5/25127
6/2533
7/2541
8/2516
12/2525
3/26379
5/2622
7/268

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO637983%scheduled passenger service
Global Crossing Airlines, Inc. GCA36311%charter passenger service
Southwest Airlines Co. WN186%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-175676379
Airbus Industrie A321Neoxlr219441
Airbus Industrie A320-100/200117422
Boeing 737-700/700LR/Max 711378

DEN → HRL this direction alone · flown February 2025 to May 2026

6 flights of 3 scheduled, 269 passengers in 790 seats. Global Crossing Airlines, Inc. 3; SkyWest Airlines Inc. 3.

HRL → DEN this direction alone · flown March 2025 to July 2026

4 flights of 3 scheduled, 181 passengers in 365 seats. SkyWest Airlines Inc. 3; Southwest Airlines Co. 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Denver International DEN and Valley International HRL; all routes.