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

Chicago O'Hare International ⇄ Patrick Leahy Burlington International ORD–BTV

Airlines flew 2,455 flights between Chicago O'Hare International ORD in Chicago, IL and Patrick Leahy Burlington International BTV in Burlington, VT in the twelve months to July 2026, both directions together: 245,308 passengers in 296,010 seats, 83% of them filled, and 10,776 pounds of freight. 763 miles, about 99 minutes in the air, on 4 airlines: United Air Lines Inc. (1,353), SkyWest Airlines Inc. (943), Envoy Air (126), Republic Airline (33). Planning to fly it yourself? The weather and winds along this route right now.

2,455
flights, twelve months
ORD-BTV: 1,225 · BTV-ORD: 1,230
245,308
passengers
83% of seats filled
763
miles
about 99 minutes airborne
4
airlines
9 aircraft types

Flights by month both directions

0821642473291/254/257/2510/251/264/262437/26
By month, as a table
flights
1/25133
2/25112
3/25165
4/25161
5/25208
6/25227
7/25237
8/25221
9/25246
10/25329
11/25119
12/25151
1/26128
2/26118
3/26119
4/26269
5/26289
6/26223
7/26243

Passengers by month

07,59215,18422,77630,3681/254/257/2510/251/264/2623,8527/26
By month, as a table
passengers
1/2514,870
2/2514,227
3/2517,786
4/2513,505
5/2519,570
6/2520,427
7/2524,319
8/2523,046
9/2523,873
10/2530,368
11/2514,715
12/2517,622
1/2614,863
2/2615,178
3/2617,765
4/2620,698
5/2622,582
6/2620,746
7/2623,852

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA1,353184,14284%scheduled passenger service
SkyWest Airlines Inc. OO94350,48479%scheduled passenger service
Envoy Air MQ1268,36587%scheduled passenger service
Republic Airline YX332,31792%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Canadair RJ-7006846535,210
Boeing 737-80046516663,270
Embraer ERJ-1754187525,956
Boeing B737 Max 90022617933,116
Boeing 737-900ER21817932,909
Airbus Industrie A320-100/20013715017,172
Airbus Industrie A31911712612,375
Boeing B737 Max 80010716615,684
Boeing 737-700/700LR/Max 7831269,616

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

1,225 flights of 1,236 scheduled, 121,667 passengers in 147,067 seats, 7,183 pounds of freight. United Air Lines Inc. 674; SkyWest Airlines Inc. 471; Envoy Air 63; Republic Airline 17.

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

1,230 flights of 1,237 scheduled, 123,641 passengers in 148,943 seats, 3,593 pounds of freight. United Air Lines Inc. 679; SkyWest Airlines Inc. 472; Envoy Air 63; Republic Airline 16.

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 Patrick Leahy Burlington International BTV; all routes.