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

Frederick W Smith Intl/Memphis ⇄ Denver International MEM–DEN

Airlines flew 3,771 flights between Frederick W Smith Intl/Memphis MEM in Memphis, TN and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 314,158 passengers in 418,901 seats, 75% of them filled, and 75,143,154 pounds of freight. 872 miles, about 128 minutes in the air, on 7 airlines: United Air Lines Inc. (1,437), Federal Express Corporation (1,040), Southwest Airlines Co. (978), Frontier Airlines Inc. (286) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.

3,771
flights, twelve months
MEM-DEN: 1,869 · DEN-MEM: 1,902
314,158
passengers
75% of seats filled
872
miles
about 128 minutes airborne
7
airlines
16 aircraft types

Flights by month both directions

0901802693591/254/257/2510/251/264/263597/26
By month, as a table
flights
1/25299
2/25275
3/25305
4/25298
5/25303
6/25277
7/25297
8/25289
9/25290
10/25304
11/25286
12/25300
1/26273
2/26283
3/26354
4/26346
5/26343
6/26344
7/26359

Passengers by month

08,19316,38624,58032,7731/254/257/2510/251/264/2632,7737/26
By month, as a table
passengers
1/2521,332
2/2519,236
3/2523,899
4/2520,797
5/2524,366
6/2523,532
7/2524,279
8/2522,061
9/2524,369
10/2525,283
11/2522,290
12/2525,847
1/2621,973
2/2620,912
3/2629,934
4/2625,092
5/2631,562
6/2632,062
7/2632,773

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA1,437154,40777%scheduled passenger service
Federal Express Corporation FX1,0400scheduled cargo service
Southwest Airlines Co. WN978117,53474%scheduled passenger service
Frontier Airlines Inc. F928641,66472%scheduled passenger service
Atlas Air Inc. 5Y150charter cargo service
Delta Air Lines Inc. DL1342345%charter passenger service
SkyWest Airlines Inc. OO213086%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 767-300/300ER98900
Airbus Industrie A31979312680,310
Boeing 737-80045517256,748
Airbus Industrie A320-100/20041915248,567
Boeing 737-700/700LR/Max 736413939,516
Boeing B737 Max 80034417543,109
Airbus Industrie A320-200n14018620,123
Airbus Industrie A321-200n9322813,975
Boeing 737-900ER631797,076
Airbus Industrie A300-600/R/CF/RCF5800
Airbus Industrie A321Neoxlr242303,517
Boeing 757-2001852423
Boeing B737 Max 9006179664
Beechcraft Beech 18 C-185 (Federal Express has waiver to report all its small aircraft under code 110, regardless of actual aircraft type)200
Embraer ERJ-175276130
McDonnell Douglas MD-11100

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

1,869 flights of 1,868 scheduled, 158,350 passengers in 207,312 seats, 44,231,511 pounds of freight. United Air Lines Inc. 716; Federal Express Corporation 505; Southwest Airlines Co. 489; Frontier Airlines Inc. 143; Delta Air Lines Inc. 8; Atlas Air Inc. 7; SkyWest Airlines Inc. 1.

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

1,902 flights of 1,898 scheduled, 155,808 passengers in 211,589 seats, 30,911,643 pounds of freight. United Air Lines Inc. 721; Federal Express Corporation 535; Southwest Airlines Co. 489; Frontier Airlines Inc. 143; Atlas Air Inc. 8; Delta Air Lines Inc. 5; SkyWest Airlines Inc. 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: Frederick W Smith Intl/Memphis MEM and Denver International DEN; all routes.