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

Laguardia ⇄ Denver International LGA–DEN

Airlines flew 8,981 flights between Laguardia LGA in New York, NY and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 1,284,953 passengers in 1,477,103 seats, 87% of them filled, and 1,369,937 pounds of freight. 1,620 miles, about 229 minutes in the air, on 4 airlines: United Air Lines Inc. (3,930), Southwest Airlines Co. (2,873), Delta Air Lines Inc. (1,945), Frontier Airlines Inc. (233). Planning to fly it yourself? The weather and winds along this route right now.

8,981
flights, twelve months
LGA-DEN: 4,499 · DEN-LGA: 4,482
1,284,953
passengers
87% of seats filled
1,620
miles
about 229 minutes airborne
4
airlines
11 aircraft types

Flights by month both directions

01983965947921/254/257/2510/251/264/267257/26
By month, as a table
flights
1/25739
2/25668
3/25730
4/25718
5/25741
6/25755
7/25755
8/25792
9/25789
10/25782
11/25704
12/25744
1/26735
2/26630
3/26757
4/26786
5/26780
6/26757
7/26725

Passengers by month

030,00960,01890,026120,0351/254/257/2510/251/264/26115,9247/26
By month, as a table
passengers
1/2594,354
2/2586,335
3/2598,586
4/2595,947
5/25110,134
6/25115,834
7/25114,450
8/25120,035
9/25114,162
10/25114,682
11/2599,209
12/25110,516
1/2695,602
2/2680,775
3/26102,119
4/26102,464
5/26112,776
6/26116,689
7/26115,924

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA3,930597,90089%scheduled passenger service
Southwest Airlines Co. WN2,873407,79687%scheduled passenger service
Delta Air Lines Inc. DL1,945240,29583%scheduled passenger service
Frontier Airlines Inc. F923338,96283%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 8004,365168649,196
Boeing 737-8002,274166322,586
Boeing 737-700/700LR/Max 7921139111,814
A220-300 BD-500-1A1160013061,113
Airbus Industrie A321-200n564204103,065
Airbus Industrie A320-200n14318622,811
A200-100 BD-500-1A10561095,345
Airbus Industrie A320-100/200231813,702
Boeing 737-900ER151802,045
Boeing B737 Max 900101791,529
Airbus Industrie A321Neoxlr102301,747

LGA → DEN this direction alone · flown January 2025 to July 2026

4,499 flights of 4,662 scheduled, 642,424 passengers in 740,657 seats, 803,637 pounds of freight, 644 pounds of mail. United Air Lines Inc. 1,973; Southwest Airlines Co. 1,436; Delta Air Lines Inc. 974; Frontier Airlines Inc. 116.

DEN → LGA this direction alone · flown January 2025 to July 2026

4,482 flights of 4,663 scheduled, 642,529 passengers in 736,446 seats, 566,300 pounds of freight, 731 pounds of mail. United Air Lines Inc. 1,957; Southwest Airlines Co. 1,437; Delta Air Lines Inc. 971; Frontier Airlines Inc. 117.

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: Laguardia LGA and Denver International DEN; all routes.