SAN to BOI flight delays & on-time performance
Nonstop flights from San Diego International Airport to Boise Air Terminal/Gowen Field · 749 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.4%
4 flights
Avg arrival delay
13 min
56 min when late
Airlines
3
1,031 flights tracked
Key facts
- Flights from San Diego (SAN) to Boise (BOI) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.4% were cancelled, and 7% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (86% on time); Southwest Airlines was the least (72%).
- Departures scheduled around 9am did best (93% on time); around 12pm did worst (49%).
- Tuesday was the most reliable day to fly (89% on time) and Friday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (60%).
Which airline is most on time from SAN to BOI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 86% | 0.3% | 11 min | 5.9% | 375 |
| Alaska Airlines | 81% | 1.1% | 9 min | 4.2% | 265 |
| Southwest Airlines | 72% | 0.0% | 16 min | 9.2% | 391 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am88%48 flights
- 8am90%110 flights
- 9am93%73 flights
- 10am81%137 flights
- 11am88%16 flights
- 12pm49%63 flights
- 1pm92%60 flights
- 2pm72%32 flights
- 3pm71%35 flights
- 5pm77%71 flights
- 6pm55%38 flights
- 7pm84%68 flights
- 8pm79%240 flights
- 9pm68%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.0% cancelled
- Tuesday89%0.0% cancelled
- Wednesday82%0.7% cancelled
- Thursday71%1.9% cancelled
- Friday71%0.0% cancelled
- Saturday86%0.0% cancelled
- Sunday79%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft60%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion14%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion0%
- Security0%
SAN to BOI: common questions
- How often are SAN to BOI flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Diego to Boise cancelled?
- 0.4% of scheduled flights were cancelled (4 of 1,031).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 6.7% of flights were an hour or more late.
- How long is taxi time at SAN?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOI to SAN — 81% on time
More flights from San Diego
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAN → BOI, nonstop flights by US airlines that report to the DOT. How we calculate this.