85% of flights from Santa Ana to Boise arrived on time over the past 12 months. That is better than the typical U.S. route. Most reliable airline: Alaska Airlines (88%). 5% 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 SNA → BOI: when a flight was late, it was under 45 minutes late 57% of the time. About 1 in 26 flights landed an hour or more late, and 1 in 129 three hours or more; 1.0% were cancelled outright.
- On time or early85%
- 15–30 min late5.8%
- 30–60 min late3.9%
- 1–2 hours late2.5%
- 2–3 hours late0.6%
- 3+ hours late0.8%
- Diverted0.2%
- Cancelled1.0%
Share of all 516 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Alaska Airlines | 365 | 88% | 0.8% | −12 min | 2.5% | +48 min | Alaska Airlines 65%, Horizon Air 35% |
| Allegiant Air | 151 | 78% | 1.3% | −4 min | 7.3% | +80 min | Allegiant Air |
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 SNA). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | Alaska Airlines |
|---|---|
| noon | 86% |
By month
Each calendar month pooled over 2023–2026. Best: August (86%). Worst: January (80%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 67 | — | — |
| Tuesday | 55 | — | — |
| Wednesday | 55 | — | — |
| Thursday | 99 | — | — |
| Friday | 66 | — | — |
| Saturday | 72 | — | — |
| Sunday | 102 | 75% | 0.0% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 4 · weather 1
Month by month
Not enough months with data to draw a trend.
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Santa Ana or Boise. LAX → BOI has been 4 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| SNA → BOI (this route) | 516 | 85% | 1.0% |
| LAX → BOI Los Angeles LAX to Boise /Gowen | 1,691 | 89% | 0.2% |
| BUR → BOI Hollywood Burbank to Boise /Gowen | 498 | 83% | 0.6% |
Questions
How often are flights from SNA to BOI on time?
85% of 516 scheduled flights from Santa Ana, CA to Boise, ID arrived within 15 minutes of schedule between September 2025 and August 2026. 1.0% were cancelled.
Which airline is most on time from SNA to BOI?
Alaska Airlines: 88% of its 365 flights on the route arrived on time. Allegiant Air: 78%.
What month has the most delays from SNA to BOI?
January (80% on time). The best month is August (86%), over 2023–2026.
Related
- BOI → SNA (return)
- Orange County John Wayne (SNA) delays by hour
- Flights into Boise /Gowen (BOI)
- Alaska Airlines on-time record
- Allegiant Air on-time record
- Connecting off this flight? Check the risk
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.