BOI to SNA flight delays
Boise, ID (BOI) Santa Ana, CA (SNA) · 688 miles
329 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics
80.06%
Arrived on time
Within 15 minutes of schedule
0.91%
Cancelled
Share of scheduled flights
67 min
When late, late by
Average across delayed arrivals
14 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Which airline you fly changes the odds here. Alaska Airlines arrived on time 23 points more often than Allegiant Air over the same period on the same route — same airports, same weather, same air traffic control. A gap that survives all of that is about how the two airlines are run.
The season swings this route hard. In January it ran 18.8 points more punctual than in June — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
The route has been getting worse. The later months run 8.6 points less punctual than the earlier ones. A drift of that size is rarely weather; it is more often an airline adding frequencies faster than the airports can absorb them.
The two directions do not behave alike. SNA to BOI arrives on time 5.4 points more often than the outbound. Delay accumulates through the flying day, so whichever direction is scheduled later tends to carry the worse record — which is an argument for booking the morning departure if the choice exists.
Which airline should you fly on this route?
Over January 2025 – August 2026, Alaska Airlines arrived on time most often on BOI to SNA. Allegiant Air was late most often. Flights ran closest to schedule in January and worst in November.
Every airline on BOI to SNA
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| Alaska Airlines | 175 | 90.8% | 0.57% | 69 min | A |
| Allegiant Air | 154 | 67.76% | 1.3% | 67 min | D |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
SNA to BOI Santa Ana back to Boise 85.49% on time BOther routes from Boise
Common questions
Are flights from Boise to Santa Ana usually delayed?
80.06% of flights on the BOI to SNA route arrived within 15 minutes of schedule, so roughly 2 in every ten arrived late. That is better than the average route in this record.
Which airline is most on time from Boise to Santa Ana?
Alaska Airlines, at 90.8% on time across 175 flights. The least punctual on the route was Allegiant Air at 67.76%.
How often are BOI to SNA flights cancelled?
0.91% of scheduled flights did not operate — about 9 in every thousand. That is in the normal range.
What is the best month to fly Boise to Santa Ana?
January, when 94.4% of flights arrived on time. The worst was June at 75.6%.
When BOI to SNA flights are late, how late are they?
About 67 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on BOI to SNA during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →