ON TIMEBOARD

PDX → SNA on time

Portland (Portland, OR) to Orange County John Wayne (Santa Ana, CA). Every scheduled flight, September 2025 to August 2026.

On time
90%
arrived < 15 min late
Cancelled
1.0%
1,543 flights
Typical arrival
−8 min
median vs schedule
When late
+37 min
average delay
Flights / day
4
1 airline

90% of flights from Portland to Santa Ana arrived on time over the past 12 months. That is better than the typical U.S. route. The 7 p.m. departures ran on time 95% of the time; the 10 a.m. ones 87%. 2% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PDX → SNA: when a flight was late, it was under 45 minutes late 84% of the time. About 1 in 110 flights landed an hour or more late; 1.0% were cancelled outright.

Share of all 1,543 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines1,54390%1.0%−8 min0.9%+37 minAlaska Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PDX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 87% on time (364 flights)877a8 a.m. departures: too few flights8a9 a.m. departures: too few flights (32 flights)9a10 a.m. departures: 87% on time (341 flights)8710a11 a.m. departures: too few flights (21 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: 92% on time (336 flights)922p3 p.m. departures: too few flights (22 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: 88% on time (161 flights)885p6 p.m. departures: too few flights6p7 p.m. departures: 95% on time (190 flights)957p8 p.m. departures: too few flights (76 flights)8p
PDX → SNA, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On PDX → SNA, each airline's last flight of the day was cancelled 1.1% of the time, against 0.9% for its earlier flights, about the same. It arrived 3+ hours late 0.0% of the time (earlier flights: 0.0%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Alaska Airlines7:59 p.m.1.1%0.0%0.9%first flight 7:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: June (93%). Worst: December (84%).

40%70%100%Jan: 85% on time (351 flights)85JanFeb: 88% on time (315 flights)88FebMar: 89% on time (359 flights)89MarApr: 93% on time (350 flights)93AprMay: 92% on time (364 flights)92MayJun: 93% on time (353 flights)93JunJul: 91% on time (365 flights)91JulAug: 90% on time (382 flights)90AugSep: 92% on time (381 flights)92SepOct: 87% on time (406 flights)87OctNov: 87% on time (402 flights)87NovDec: 84% on time (392 flights)84Dec

By day of week

DayFlightsOn timeCancelled
Monday23289%0.9%
Tuesday21988%0.9%
Wednesday21589%0.5%
Thursday21990%1.4%
Friday22091%1.4%
Saturday21294%0.5%
Sunday22689%1.3%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 47%Air traffic & airport (NAS) 35%Late inbound plane 17%Severe weather 1%

Cancellations: airline 14 · weather 1

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 90% on time, 1.7% cancelledOct 2023: 93% on time, 0.8% cancelledNov 2023: 90% on time, 0.0% cancelledDec 2023: 92% on time, 2.7% cancelledJan 2024: 78% on time, 7.1% cancelledFeb 2024: 86% on time, 0.0% cancelledMar 2024: 88% on time, 0.9% cancelledApr 2024: 93% on time, 0.0% cancelledMay 2024: 90% on time, 0.9% cancelledJun 2024: 94% on time, 0.0% cancelledJul 2024: 94% on time, 1.6% cancelledAug 2024: 92% on time, 1.6% cancelledSep 2024: 90% on time, 2.5% cancelledOct 2024: 87% on time, 1.4% cancelledNov 2024: 83% on time, 0.7% cancelledDec 2024: 81% on time, 0.0% cancelledJan 2025: 91% on time, 0.8% cancelledFeb 2025: 90% on time, 3.9% cancelledMar 2025: 90% on time, 0.8% cancelledApr 2025: 93% on time, 0.0% cancelledMay 2025: 89% on time, 0.0% cancelledJun 2025: 86% on time, 2.6% cancelledJul 2025: 88% on time, 2.5% cancelledAug 2025: 87% on time, 2.3% cancelledSep 2025: 95% on time, 0.0% cancelledOct 2025: 83% on time, 1.4% cancelledNov 2025: 90% on time, 0.0% cancelledDec 2025: 81% on time, 2.7% cancelledJan 2026: 86% on time, 1.7% cancelledFeb 2026: 88% on time, 0.9% cancelledMar 2026: 90% on time, 0.0% cancelledApr 2026: 93% on time, 2.5% cancelledMay 2026: 98% on time, 0.8% cancelledJun 2026: 99% on time, 0.0% cancelledJul 2026: 90% on time, 0.8% cancelledAug 2026: 90% on time, 0.8% cancelled
Share of flights on time, by month (hover a point for cancellations)
PDX → SNA, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 14047:00 a.m.30988%0.7%−8 minAlaska Airlines
AS 58810:38 a.m.30889%1.0%−6 minAlaska Airlines
AS 2642:48 p.m.27791%0.4%−5 minAlaska Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Dec 24, 202540%0
Dec 23, 2025520%1
Oct 14, 2025425%0
Feb 10, 2026333%0
Feb 11, 2026333%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Portland or Santa Ana. None has been clearly more reliable than PDX → SNA.

RouteFlightsOn timeCancelled
PDX → SNA (this route)1,54390%1.0%
PDX → LAX Portland to Los Angeles LAX4,29486%0.6%
PDX → BUR Portland to Hollywood Burbank1,04086%0.8%
PDX → ONT Portland to Ontario1,06685%0.9%

Questions

How often are flights from PDX to SNA on time?

90% of 1,543 scheduled flights from Portland, OR to Santa Ana, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.0% were cancelled.

What is the best time of day to fly PDX to SNA?

Flights scheduled to leave at 7 p.m. were the most reliable (95% on time). The 10 a.m. departures were the least (87%).

What month has the most delays from PDX to SNA?

December (84% on time). The best month is June (93%), over 2023–2026.

Is the last flight of the day from PDX to SNA more likely to be cancelled?

Not much. Each airline's last PDX–SNA flight of the day was cancelled 1.1% of the time over the past year, against 0.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.