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

Mahlon Sweet Field ⇄ Chicago O'Hare International EUG–ORD

Airlines flew 191 flights between Mahlon Sweet Field EUG in Eugene, OR and Chicago O'Hare International ORD in Chicago, IL in the twelve months to July 2026, both directions together: 19,549 passengers in 26,396 seats, 74% of them filled, and 168 pounds of freight. 1,780 miles, about 211 minutes in the air, on 5 airlines: United Air Lines Inc. (185), Alaska Airlines Inc. (2), Allegiant Air (2), Eastern Air Express, LLC (EAX) (1) and 1 more. Planning to fly it yourself? The weather and winds along this route right now.

191
flights, twelve months
EUG-ORD: 96 · ORD-EUG: 95
19,549
passengers
74% of seats filled
1,780
miles
about 211 minutes airborne
5
airlines
6 aircraft types

Flights by month both directions

01631466212/254112/26262606/26617/26
By month, as a table
flights
2/251
9/254
1/261
2/261
4/262
5/2662
6/2660
7/2661

Passengers by month

01,5823,1644,7476,329392/2542936342/262116,3296,2706/266,2407/26
By month, as a table
passengers
2/2539
9/25429
1/2636
2/2634
4/26211
5/266,329
6/266,270
7/266,240

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA18519,05075%scheduled passenger service
Alaska Airlines Inc. AS226875%charter passenger service
Allegiant Air G4216145%charter passenger service
Eastern Air Express, LLC (EAX) 37Q13423%charter passenger service
Breeze Aviation Group DBA Breeze MX13633%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A31912512612,899
Boeing 737-800421664,464
Airbus Industrie A320-100/200201531,848
Boeing B737 Max 9002178268
Boeing 737-400115034
Embraer 190110836

EUG → ORD this direction alone · flown February 2025 to July 2026

96 flights of 93 scheduled, 9,654 passengers in 13,264 seats, 14 pounds of freight. United Air Lines Inc. 92; Eastern Air Express, LLC (EAX) 1; Alaska Airlines Inc. 1; Allegiant Air 1; Breeze Aviation Group DBA Breeze 1.

ORD → EUG this direction alone · flown September 2025 to July 2026

95 flights of 93 scheduled, 9,895 passengers in 13,132 seats, 154 pounds of freight. United Air Lines Inc. 93; Alaska Airlines Inc. 1; Allegiant Air 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: Mahlon Sweet Field EUG and Chicago O'Hare International ORD; all routes.