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

Chicago O'Hare International ⇄ Milan ORD–MXP

Airlines flew 479 flights between Chicago O'Hare International ORD in Chicago, IL and Milan, Italy MXP in Milan, IT in the twelve months to July 2026, both directions together: 111,204 passengers in 129,807 seats, 86% of them filled, and 8,960,476 pounds of freight. 4,523 miles, about 482 minutes in the air, on 3 airlines: United Air Lines Inc. (475), National Air Cargo Group Inc d/ba National Airlines (3), Atlas Air Inc. (1).

479
flights, twelve months
ORD-MXP: 239 · MXP-ORD: 240
111,204
passengers
86% of seats filled
4,523
miles
about 482 minutes airborne
3
airlines
4 aircraft types

Flights by month both directions

0163146624/257/2510/252/265/26627/26
By month, as a table
flights
4/2547
5/2562
6/2557
7/2562
8/2562
9/2562
10/2562
11/2560
12/253
2/261
3/261
4/2647
5/2660
6/2659
7/2662

Passengers by month

04,3348,66713,00017,3344/257/2510/252/265/2617,3347/26
By month, as a table
passengers
4/2510,198
5/2513,221
6/2512,862
7/2513,525
8/2513,152
9/2513,311
10/2514,003
11/2510,407
12/25511
2/260
3/260
4/269,920
5/2616,203
6/2616,363
7/2617,334

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA475111,20486%scheduled passenger service
National Air Cargo Group Inc d/ba National Airlines N830charter cargo service
Atlas Air Inc. 5Y10charter cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
B787-800 Dreamliner26724155,752
Boeing 787-10 Dreamliner19631853,073
B787-900 Dreamliner122572,379
Boeing 747-400400

ORD → MXP this direction alone · flown April 2025 to July 2026

239 flights of 240 scheduled, 57,469 passengers in 65,343 seats, 3,378,068 pounds of freight, 7,481 pounds of mail. United Air Lines Inc. 238; Atlas Air Inc. 1.

MXP → ORD this direction alone · flown April 2025 to July 2026

240 flights of 240 scheduled, 53,735 passengers in 64,464 seats, 5,582,408 pounds of freight. United Air Lines Inc. 237; National Air Cargo Group Inc d/ba National Airlines 3.

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: Chicago O'Hare International ORD and Milan, Italy MXP; all routes.