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

Lisbon ⇄ Chicago O'Hare International LIS–ORD

Airlines flew 406 flights between Lisbon, Portugal LIS in Lisbon, PT and Chicago O'Hare International ORD in Chicago, IL in the twelve months to July 2026, both directions together: 101,992 passengers in 119,053 seats, 86% of them filled, and 7,626,390 pounds of freight. 4,009 miles, on 1 airline: TAP-TAP Air Portugal (406).

406
flights, twelve months
LIS-ORD: 203 · ORD-LIS: 203
101,992
passengers
86% of seats filled
4,009
miles
1
airline
2 aircraft types

Flights by month both directions

0122334461/254/257/2510/251/264/26467/26
By month, as a table
flights
1/2528
2/2518
3/2526
4/2534
5/2536
6/2540
7/2542
8/2546
9/2542
10/2544
11/2526
12/2526
1/2622
2/2618
3/2626
4/2634
5/2638
6/2638
7/2646

Passengers by month

02,9995,9988,99811,9971/254/257/2510/251/264/2611,5507/26
By month, as a table
passengers
1/255,604
2/253,511
3/256,885
4/258,491
5/259,594
6/2511,022
7/2510,855
8/2511,997
9/2511,170
10/2511,625
11/256,361
12/255,820
1/264,630
2/263,406
3/266,608
4/268,758
5/2610,213
6/269,854
7/2611,550

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
TAP-TAP Air Portugal TP406101,99286%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus A330-900neo38829497,704
Airbus Industrie A330-200182684,288

LIS → ORD this direction alone · flown January 2025 to July 2026

203 flights, 51,860 passengers in 59,679 seats, 4,536,822 pounds of freight. TAP-TAP Air Portugal 203.

ORD → LIS this direction alone · flown January 2025 to July 2026

203 flights, 50,132 passengers in 59,374 seats, 3,089,568 pounds of freight. TAP-TAP Air Portugal 203.

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: Lisbon, Portugal LIS and Chicago O'Hare International ORD; all routes.