Baltimore (BWI) to Portland (PWM) flights

Southwest Airlines flies nonstop from Baltimore/Washington International Thurgood Marshall Airport to Portland International Jetport, with about 27 flights a week in July 2026. The 452-mile flight takes about 1h 23m gate to gate.

From
BWI
Baltimore
Baltimore/Washington International Thurgood Marshall Airport
To
PWM
Portland
Portland International Jetport
Distance
452 mi · 727 km
Flight time
1h 23m
Airlines
1
Seats filled
79%
Flights a week, July 2026
1,324 flights and 164,728 passengers in 12 months
PWMPWMBWI
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying BWI to PWM

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines27Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800164,7281h 23m

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

BWI to PWM flight schedule

10 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 8:10am and the last at 9:25pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 614Southwest Airlines8:10am9:50am12100%
WN 1050Southwest Airlines8:15am9:55am1486%
WN 1051Southwest Airlines10:10am11:45am8n/a
WN 2014Southwest Airlines10:55am12:25pm2095%
WN 2261Southwest Airlines1:30pm3:00pm1663%
WN 294Southwest Airlines2:10pm3:40pm4n/a
WN 4526Southwest Airlines3:45pm5:15pm8n/a
WN 1053Southwest Airlines7:40pm9:10pm1283%
WN 1467Southwest Airlines8:55pm10:25pm1240%
WN 777Southwest Airlines9:25pm10:55pm4n/a

Is BWI to PWM on time?

From September 2025 to August 2026, 81% of 1,331 flights arrived within 15 minutes of schedule and 1.7% were cancelled. Flights leaving around 8am were the most punctual (96%), those around 10pm the least (59%). Most delay time was caused by late-arriving aircraft (50%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines1,33181%10 min1.7%

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
8am to 9am110
96%
9am to 10am75
93%
10am to 11am247
89%
11am to 12pm34
100%
12pm to 1pm82
79%
1pm to 2pm151
84%
2pm to 3pm61
84%
3pm to 4pm126
76%
7pm to 8pm35
65%
8pm to 9pm95
77%
9pm to 10pm117
69%
10pm to 11pm141
59%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025135
17,329
September 2025121
14,967
October 2025123
13,883
November 2025107
12,142
December 2025108
13,599
January 202693
8,913
February 202690
10,032
March 2026102
13,922
April 2026103
12,210
May 2026106
14,854
June 2026118
16,016
July 2026118
16,861

Related

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