Baltimore (BWI) to Chicago (ORD) flights

United Airlines, Republic Airline, Envoy Air fly nonstop from Baltimore/Washington International Thurgood Marshall Airport to Chicago O'Hare International Airport, with about 52 flights a week in July 2026. The 622-mile flight takes about 2h 18m gate to gate.

From
BWI
Baltimore
Baltimore/Washington International Thurgood Marshall Airport
To
ORD
Chicago
Chicago O'Hare International Airport
Distance
622 mi · 1,001 km
Flight time
2h 18m
Airlines
3
Seats filled
81%
Flights a week, July 2026
2,618 flights and 260,920 passengers in 12 months
ORDORDBWI
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying BWI to ORD

AirlineFlights a weekAircraftPassengers (12 months)Flight time
United Airlines33Boeing 737-900ER, Airbus A320-100/200, Boeing 737-800152,6942h 18m
Republic Airline11Embraer E17518,9702h 19m
Envoy Air7Embraer E175, Embraer E17049,0052h 19m
SkyWest AirlinesSeasonal or endedn/aEmbraer E1751,6332h 29m
Frontier AirlinesSeasonal or endedn/aAirbus A320neo, Airbus A321, Airbus A320-100/20020,9352h 21m
Southwest AirlinesSeasonal or endedn/aBoeing 737-800, Boeing 737-700 / MAX 7, Boeing 737 MAX 812,7792h 4m
American AirlinesSeasonal or endedn/aAirbus A319, Airbus A321, Boeing 737-8002,6332h 20m
Spirit AirlinesCeased operations 2026-05-02n/aAirbus A320neo, Airbus A320-100/200, Airbus A3212,2712h 4m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

BWI to ORD flight schedule

16 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 5:44am and the last at 8:13pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
AA 4659American Airlines · operated by Republic Airline5:44am7:12am492%
UA 396United Airlines6:05am7:26am2195%
UA 709United Airlines6:15am7:30am1078%
AA 3992American Airlines · operated by Envoy Air7:03am8:30am2696%
UA 2164United Airlines8:10am9:31am1173%
UA 2749United Airlines8:16am9:30am1085%
UA 244United Airlines10:25am11:45am2157%
AA 3446American Airlines · operated by Envoy Air10:31am11:46am487%
UA 704United Airlines10:32am11:48am890%
AA 3762American Airlines · operated by Envoy Air11:54am1:13pm2779%
UA 841United Airlines1:00pm2:21pm2170%
F9 4307Frontier Airlines5:08pm6:39pm863%
UA 590United Airlines5:40pm7:00pm3157%
AA 3731American Airlines · operated by Envoy Air6:25pm8:00pm2758%
UA 791United Airlines6:38pm8:02pm650%
AA 4717American Airlines · operated by Republic Airline8:13pm9:44pm468%

Is BWI to ORD on time?

From September 2025 to August 2026, 76% of 2,677 flights arrived within 15 minutes of schedule and 2.5% were cancelled. Flights leaving around 6am were the most punctual (89%), those around 5pm the least (56%). Most delay time was caused by air traffic control and airport congestion (34%).

AirlineFlightsOn timeAverage delayCancelled
United Airlines1,27074%23 min1.1%
American Airlines1,20377%21 min4%
Frontier Airlines13264%72 min4.5%
Southwest Airlines6290%6 min0%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
5am to 6am132
91%
6am to 7am541
89%
8am to 9am94
83%
10am to 11am377
86%
11am to 12pm290
83%
3pm to 4pm79
68%
5pm to 6pm364
56%
6pm to 7pm289
58%
7pm to 8pm168
63%
8pm to 9pm112
65%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025249
26,634
September 2025248
25,887
October 2025246
27,069
November 2025204
18,956
December 2025200
19,407
January 2026144
14,933
February 2026163
14,960
March 2026188
16,254
April 2026245
21,604
May 2026270
25,874
June 2026232
24,692
July 2026230
24,685

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.