Historical on-time performance
Baltimore to Portland
2,358 miData through Dec 2025Source: US DOT · BTS
Flights on BWI–PDX arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 92 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9035 minCancel2.2%Flights92
Why flights run late
Delay causes
- Airline38%
- Weather15%
- Air traffic (NAS)5%
- Late aircraft41%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → PDX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 78% to 78% on time.
- Middays78% on time · p90 30 min · 128 flights · limited
- Mornings78% on time · p90 25 min · 58 flights · limited
Advertisement
Keep exploring