How delayed is Portland, OR (PDX)?

Portland, OR has an on-time rate of 84.6%. The average delay is 10.0 min.

What causes delays at PDX?

The main delay causes at PDX are carrier issues (37.3%), weather (3.9%), NAS/air traffic control (21.3%), and late arriving aircraft (37.2%).

What is the best time to fly from PDX?

The best time to fly from PDX is at 5:00 with a 92.5% on-time rate. Oct is the best month with 87.8% on-time flights.

Portland, OR

Portland, OR, OR — PDX

On-Time Rate

84.6%

2019-2025

Avg Delay

10.0 min

when delayed

Cancel Rate

1.5%

flights cancelled

Total Flights

383,803

2019-2025

Best Month

Oct

87.8% on-time

Worst Month

Dec

80.2% on-time

Best Departure Time

5:00

92.5% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at PDX

Airline	Flights	On-Time	Avg Delay
Alaska Airlines	107,757	83.1%	N/A
Southwest Airlines	62,497	83.4%	N/A
SkyWest Airlines	62,212	86.7%	N/A
Delta Air Lines	44,893	90.1%	N/A
United Airlines	40,587	85.2%	N/A
American Airlines	23,032	81.8%	N/A
Horizon Air	20,512	87.5%	N/A
Spirit Airlines	6,589	81.8%	N/A
Frontier Airlines	6,474	75.0%	N/A
Hawaiian Airlines	4,714	76.9%	N/A

Most Delayed Routes

Destination	On-Time
PDX → FLLFort Lauderdale, FL	70.1%
PDX → DSMDes Moines, IA	70.9%
PDX → PHLPhiladelphia, PA	72.7%
PDX → IDAIdaho Falls, ID	72.7%
PDX → GRRGrand Rapids, MI	73.5%

Most Punctual Routes

Destination	On-Time
PDX → EUGEugene, OR	92.5%
PDX → MSPMinneapolis, MN	91.6%
PDX → MSYNew Orleans, LA	90.1%
PDX → SLCSalt Lake City, UT	89.7%
PDX → MFRMedford, OR	89.2%

Was your flight from Portland, OR delayed?

You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019 through November 2025 and are not real-time. See our data methodology for details.