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Route · PDX → SNA · 2020–2025 BTS data

Portland to Santa Ana

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PDX to SNA (Portland to Santa Ana) ranks #1999 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

89.3%
On-time
+10.3 pts
vs US avg
53 min
Delay when late
6,307
Flights
#1999 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Sep 2025 95%

Worst Month

Dec 2024 82%

Distance

859 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 149 25 4 0 AS
Nov 2025 144 15 0 0 AS
Oct 2025 143 22 2 1 AS
Sep 2025 147 7 0 0 AS
Aug 2025 133 14 3 0 AS
Jul 2025 119 11 3 0 AS
Jun 2025 115 13 3 0 AS
May 2025 124 13 0 1 AS
Apr 2025 120 8 0 0 AS
Mar 2025 113 11 1 0 AS
Feb 2025 100 6 4 0 AS
Jan 2025 119 9 1 1 AS
Dec 2024 131 23 0 1 AS
Nov 2024 139 23 1 0 AS
Oct 2024 139 16 2 0 AS
Sep 2024 119 8 3 1 AS
Aug 2024 105 6 2 0 AS
Jul 2024 92 5 1 0 AS
Jun 2024 90 5 0 0 AS
May 2024 100 10 1 0 AS
Apr 2024 108 8 0 0 AS
Mar 2024 116 13 1 0 AS
Feb 2024 104 15 0 0 AS
Jan 2024 106 16 8 0 AS

PDX–SNA seasonal on-time pattern

Best: September (92.6%) · weakest: December (85.0%)

84%86%88%90%92%94% JanFebMarAprMayJunJulAugSepOctNovDec 85%

Strongest calendar month

September

92.6% on-time · ~105 flights/mo

Busiest calendar month

November

~110 flights/mo avg

Weakest calendar month

December

85.0% on-time · ~110 flights/mo

Cancellation Rate

1.4%

40 of 2,875 flights

Diversion Rate

0.2%

5 of 2,875 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

PDX - Portland

Full on-time, delay-cause, and seasonal performance for Portland, OR.

PDX on-time profile

SNA - Santa Ana

Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.

SNA on-time profile

Compare the two airports

See PDX and SNA side by side on delays, cancellations, and reliability.

Compare PDX vs SNA

Origin-hub reliability standing

Among PDX's stronger departures

PDX → SNA posts a 89.3% on-time rate, landing in the ≥85% band with 26 of 44 BTS-tracked routes leaving Portland. The same hub also shows 17 mid-band and 1 challenged departures · fleet-wide on-time rank #213 of 4927 (highest on-time = #1).

What the Data Says About PDX to SNA

Portland to Santa Ana (PDX to SNA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.3% on-time rate across 6,307 flights, with delays that do happen averaging 53.4 minutes. The corridor runs roughly 859 miles and is served by 6 carriers. Over the most recent 24 months, 40 of 2,875 flights were cancelled (1.4%) and 5 diverted (0.2%).

Monthly performance varies moderately here: Sep 2025 was the strongest month at 95% on-time versus Dec 2024 at 82%, a 13-point difference.

On the multi-year calendar, PDX–SNA peaks in September at 92.6% on-time while November carries the heaviest traffic (~110 flights per month) ; the softest month is December at 85.0%, a 7.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PDX to SNA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PDX to SNA ranks #1999 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from PDX to SNA? ▼
Flights from Portland to Santa Ana have a 89.3% on-time rate based on 6,307 flights. The average delay is 53.4 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for PDX to SNA? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (40 of 2,875 flights) and 0.2% were diverted.
How far is the flight from PDX to SNA? ▼
The flight distance from Portland (PDX) to Santa Ana (SNA) is approximately 859 miles. This route is served by 6 carriers.
When is the best time to fly from PDX to SNA? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was Dec 2024 (82% on-time). Consider booking during months with historically better performance.

Airports on this route

PDX Airport

Portland
SNA Airport

Santa Ana
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using PDX–SNA data

PDX–SNA runs 10.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare PDX and SNA airport profiles: delay causes and top routes differ even on the same corridor. PDX airport
  • If your dates flex, September (92.6% on-time) beats December (85.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 89.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.