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

Vienna ⇄ Chicago O'Hare International VIE–ORD

Airlines flew 448 flights between Vienna, Austria VIE in Vienna, AT and Chicago O'Hare International ORD in Chicago, IL in the twelve months to July 2026, both directions together: 96,242 passengers in 135,476 seats, 71% of them filled, and 10,130,724 pounds of freight. 4,715 miles, on 1 airline: Austrian Airlines (448).

448
flights, twelve months
VIE-ORD: 224 · ORD-VIE: 224
96,242
passengers
71% of seats filled
4,715
miles
1
airline
2 aircraft types

Flights by month both directions

0153045601/254/257/2510/251/264/26526/26
By month, as a table
flights
1/2536
2/2530
3/2538
4/2550
5/2552
6/2550
7/2552
8/2554
9/2560
10/2548
11/2532
12/2536
1/2612
2/2614
3/2636
4/2650
5/2654
6/2652

Passengers by month

04,0948,18812,28116,3751/254/257/2510/251/264/2614,1586/26
By month, as a table
passengers
1/25124
2/254,510
3/258,967
4/2511,300
5/2512,624
6/2513,522
7/2514,781
8/2514,821
9/2516,375
10/2512,821
11/25166
12/25244
1/263,554
2/262,452
3/267,981
4/2611,116
5/2612,554
6/2614,158

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Austrian Airlines OS44896,24271%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
B787-800 Dreamliner34429476,703
Boeing 777-200ER/200LR/233LR10433019,539

VIE → ORD this direction alone · flown January 2025 to June 2026

224 flights, 45,732 passengers in 67,748 seats, 6,107,957 pounds of freight. Austrian Airlines 224.

ORD → VIE this direction alone · flown January 2025 to June 2026

224 flights, 50,510 passengers in 67,728 seats, 4,022,767 pounds of freight. Austrian Airlines 224.

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: Vienna, Austria VIE and Chicago O'Hare International ORD; all routes.