ON TIMEBOARD

SMF → SNA on time

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

On time
84%
arrived < 15 min late
Cancelled
0.3%
2,288 flights
Typical arrival
−7 min
median vs schedule
When late
+44 min
average delay
Flights / day
6
1 airline

84% of flights from Sacramento to Santa Ana arrived on time over the past 12 months. That is better than the typical U.S. route. The 6 a.m. departures ran on time 97% of the time; the 1 p.m. ones 72%. 3% 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 SMF → SNA: when a flight was late, it was under 45 minutes late 69% of the time. About 1 in 33 flights landed an hour or more late, and 1 in 327 three hours or more; 0.3% were cancelled outright.

Share of all 2,288 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines2,28884%0.3%−7 min3.1%+44 minSouthwest 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 SMF). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 97% on time (124 flights)976a7 a.m. departures: 93% on time (193 flights)937a8 a.m. departures: 91% on time (181 flights)918a9 a.m. departures: 95% on time (154 flights)959a10 a.m. departures: too few flights (94 flights)10a11 a.m. departures: too few flights (90 flights)11anoon departures: 81% on time (143 flights)8112p1 p.m. departures: 72% on time (176 flights)721p2 p.m. departures: 84% on time (150 flights)842p3 p.m. departures: 84% on time (118 flights)843p4 p.m. departures: 73% on time (211 flights)734p5 p.m. departures: 77% on time (122 flights)775p6 p.m. departures: 76% on time (206 flights)766p7 p.m. departures: 85% on time (136 flights)857p8 p.m. departures: 83% on time (190 flights)838p
SMF → 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 SMF → SNA, each airline's last flight of the day was cancelled 0.0% of the time, against 0.4% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 0.0% of the time (earlier flights: 0.4%). 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
Southwest Airlines8:45 p.m.0.0%0.0%0.4%first flight 6:20 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: September (89%). Worst: June (83%).

40%70%100%Jan: 88% on time (547 flights)88JanFeb: 88% on time (515 flights)88FebMar: 86% on time (582 flights)86MarApr: 85% on time (551 flights)85AprMay: 86% on time (564 flights)86MayJun: 83% on time (572 flights)83JunJul: 85% on time (605 flights)85JulAug: 84% on time (582 flights)84AugSep: 89% on time (565 flights)89SepOct: 83% on time (554 flights)83OctNov: 87% on time (567 flights)87NovDec: 84% on time (589 flights)84Dec

By day of week

DayFlightsOn timeCancelled
Monday37183%0.5%
Tuesday31488%0.0%
Wednesday31691%0.0%
Thursday36380%0.3%
Friday36182%0.3%
Saturday20679%0.5%
Sunday35781%0.6%

Why flights were late

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

Late inbound plane 67%Airline (crew, maintenance, ops) 27%Air traffic & airport (NAS) 6%

Cancellations: airline 7

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 87% on time, 0.0% cancelledOct 2023: 88% on time, 0.0% cancelledNov 2023: 88% on time, 0.0% cancelledDec 2023: 86% on time, 1.0% cancelledJan 2024: 85% on time, 0.0% cancelledFeb 2024: 89% on time, 1.1% cancelledMar 2024: 91% on time, 0.0% cancelledApr 2024: 91% on time, 0.0% cancelledMay 2024: 88% on time, 0.0% cancelledJun 2024: 85% on time, 0.0% cancelledJul 2024: 86% on time, 0.5% cancelledAug 2024: 84% on time, 0.5% cancelledSep 2024: 91% on time, 0.6% cancelledOct 2024: 82% on time, 0.0% cancelledNov 2024: 89% on time, 0.0% cancelledDec 2024: 84% on time, 1.0% cancelledJan 2025: 89% on time, 0.6% cancelledFeb 2025: 88% on time, 0.0% cancelledMar 2025: 87% on time, 0.5% cancelledApr 2025: 82% on time, 1.1% cancelledMay 2025: 88% on time, 0.0% cancelledJun 2025: 82% on time, 1.5% cancelledJul 2025: 83% on time, 2.4% cancelledAug 2025: 87% on time, 1.0% cancelledSep 2025: 88% on time, 0.0% cancelledOct 2025: 78% on time, 0.0% cancelledNov 2025: 84% on time, 0.0% cancelledDec 2025: 82% on time, 0.0% cancelledJan 2026: 91% on time, 0.0% cancelledFeb 2026: 87% on time, 0.0% cancelledMar 2026: 82% on time, 1.5% cancelledApr 2026: 80% on time, 0.5% cancelledMay 2026: 82% on time, 0.0% cancelledJun 2026: 81% on time, 0.0% cancelledJul 2026: 86% on time, 0.9% cancelledAug 2026: 82% on time, 0.5% cancelled
Share of flights on time, by month (hover a point for cancellations)
SMF → SNA, monthly on-time and cancellation rate.

Worst days in the past year

DateFlightsOn timeCancelled
Jun 19, 2026714%0
Jun 27, 2026425%0
Jan 3, 2026425%0
Jun 13, 2026425%0
Mar 21, 2026425%1

Nearby airport alternatives

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

RouteFlightsOn timeCancelled
SMF → SNA (this route)2,28884%0.3%
SMF → LGB Sacramento to Long Beach1,85285%0.3%
SMF → LAX Sacramento to Los Angeles LAX5,71785%0.4%
SMF → ONT Sacramento to Ontario2,10884%0.3%
SMF → BUR Sacramento to Hollywood Burbank2,59683%1.7%

Questions

How often are flights from SMF to SNA on time?

84% of 2,288 scheduled flights from Sacramento, CA to Santa Ana, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.3% were cancelled.

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

Flights scheduled to leave at 6 a.m. were the most reliable (97% on time). The 1 p.m. departures were the least (72%).

What month has the most delays from SMF to SNA?

June (83% on time). The best month is September (89%), over 2023–2026.

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

No, the opposite. Each airline's last SMF–SNA flight of the day was cancelled 0.0% of the time over the past year, against 0.4% 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.