Southwest Airlines
WN4308Portland to Baltimore
Southwest Airlines flight WN4308 flies from Portland (PWM) to Baltimore (BWI), 726 km. Over August 2025 to July 2026 it usually arrives about 7 minutes late: 74% of 180 flights arrived within 15 minutes of schedule and 1.7% were cancelled (US Department of Transportation data).
On-time record, last 12 months
74%
on time (within 15 min)
14%
more than 30 min late
1.7%
cancelled
+7 min
average arrival vs schedule
Every operation of WN4308, August 2025 to July 2026: 180 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4308
- Portland (PWM) to Baltimore (BWI)32 flights
- San Jose (SJC) to Santa Ana (SNA)32 flights
- Phoenix Sky Harbor (PHX) to Indianapolis (IND)30 flights
- Raleigh-durham (RDU) to Atlanta (ATL)23 flights
- Fort Myers (RSW) to Columbus (CMH)18 flights
- Baltimore (BWI) to Tampa (TPA)16 flights
- San Francisco (SFO) to Las Vegas (LAS)8 flights
- Baltimore (BWI) to Kansas City (MCI)8 flights
- Baltimore (BWI) to Orlando (MCO)5 flights
- San Jose (SJC) to Phoenix Sky Harbor (PHX)4 flights
Other flights from Portland to Baltimore
More about Portland (PWM) and Baltimore (BWI).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
Dark badge, HTML
<a href="https://tripstow.com/flights/wn4308" title="WN4308 is on time 74% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4308.svg" alt="WN4308 is on time 74% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/wn4308" title="WN4308 is on time 74% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4308.svg?theme=light" alt="WN4308 is on time 74% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/wn4308)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free