Route reliability record
BUR→SJC
Burbank to San Jose
- Flights
- 2,133
- Period
- September 2025 to August 2026
- Distance
- 296 mi
- Carriers
- 1
This route earns an A. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 9 points better than the national rate of 77.3%. When something does go wrong the average delay runs roughly 55 minutes. That rests on 2,133 BUR to SJC flights, with a median arrival 12 minutes early.
Best time to fly BUR to SJC: a 5am–8am departure, ideally on a Tuesday. Flights in that window arrived on time 96.1% of the time and Tuesday flights 91.8%, against 86.3% for the route overall.
Set against the rest of the country, this route's record is 9 points better than the US average of 77.3%. That gap is worth roughly 90 fewer late arrivals for every thousand flights.
Key figures
On time
86.3%
Arrivals under 15 minutes late, of 2,106 completed flights
Avg delay
53 min
Across delayed arrivals only, not all flights
Cancelled
1.17%
National rate is 1.89%
Best carrier
Southwest
86.3% on time across 2,133 flights
These figures cover 2,133 flights between September 2025 and August 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Carrier by carrier
Which airline is most reliable on BUR to SJC
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 2,133 | 86.3% | 53 min | 1.17% | A |
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Best ways to make this trip
The most reliable ways to fly Burbank to San Jose
Every airline on this route and on the routes between nearby airports, ranked by how often a scheduled flight actually operated and arrived on time. 5 of the top 5 use a different airport at one end.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. LAX → SJCLos Angeles to San Jose | SkyWest Airlines | 90.3% | 90.7% | 0.39% | 8am–11am, Tue | OO 3883 18:00 |
| 2. LAX → MRYLos Angeles to Monterey | SkyWest Airlines | 89.7% | 90.3% | 0.70% | 2pm–5pm, Tue | — |
| 3. LGB → OAKLong Beach to Oakland | Southwest Airlines | 88.1% | 88.5% | 0.45% | 5am–8am, Tue | — |
| 4. ONT → SJCOntario to San Jose | Southwest Airlines | 85.8% | 85.9% | 0.08% | 5am–8am, Tue | — |
| 5. LGB → SJCLong Beach to San Jose | Southwest Airlines | 85.8% | 86.0% | 0.24% | 8am–11am, Sat | — |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 15 points, against half a point between the best and worst carrier.
- 5am–8am207 flights96.1%
- 8am–11am423 flights92.3%
- 11am–2pm375 flights85.6%
- 2pm–5pm428 flights83.8%
- 5pm–8pm449 flights82.3%
- 8pm–5am251 flights80.9%
Scale runs 70% to 100%.
Book the early departure. Flights leaving between 5am–8am arrive on time 96.1% of the time, against 80.9% for the overnight window. That is 15 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5pm–8pm window is the busiest, with 449 flights scheduled in it.
Explore
Filter BUR to SJC by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On BUR to SJC, the best departure window is 5am–8am at 96.1% on time and the worst is 8pm–5am at 80.9%, a wide gap of 15.2 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am96.1%
- 8–11am92.3%
- 11am–2pm85.6%
- 2–5pm83.8%
- 5–8pm82.3%
- 8pm–5am80.9%
best all US flightsScale 60% to 100%.
Across the year
When delays peak on this route
This route's year swings by 21 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
June is the worst month at 74.3% on time, 21 points below January, the best at 95.5%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. October was the busiest month here, with 211 flights.
Across the week, Tuesday is the strongest day at 91.8% on time and Sunday the weakest at 80.5%, a spread of 11 points.
Delay causes
Why this route gets delayed
Late-arriving aircraft accounts for 78% of the 15,000 delay minutes carriers reported here, and the remaining four split what is left.
- 78%Late-arriving aircraft
- 18%Carrier
- 2%National Airspace System
- 1%Extreme weather
- 0%Security
78% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 15,000 reported delay minutes here, that single category outweighs weather by 78 to one. The split is drawn from 15,260 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 96.1% on time here.
Cancellations sit at 1.17% against a national 1.89%, which is ordinary. Diversions add another 0.09%.
Connections and stage length
What a delay here actually costs
Badly late arrivals are rare here: only 4.1% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
At 296 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.
The return leg runs 84.5% on time across 2,137 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
The sample behind these figures is 2,133 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Work out the risk of missing a connection in SJC after this flight
What to do with this
Booking this route
Put together: the calendar is the biggest lever here, not the carrier or the hour. January runs 95.5% on time and June 74.3%, a swing of 21 points. If the dates move at all, move them out of June before you think about anything else. 2,106 completed flights over 12 months sit behind that.
Common questions
BUR to SJC questions
How often is BUR to SJC delayed?
About one flight in seven arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 13.7% of the 2,133 flights in this analysis, against 22.7% nationally. Delayed flights are late by roughly 55 minutes on average.
How reliable is BUR to SJC compared with the rest of the country?
86.3% of flights arrive on time here against a national 77.3%, a difference of 9 points in its favour. That is worth a A on this site's grading scale.
What time of day has the fewest delays on BUR to SJC?
The 5am–8am departure window is the strongest at 96.1% on time. The 8pm–5am window is the weakest at 80.9%, 15 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are June delays on BUR to SJC?
June is the weakest month at 74.3% on time, compared with 95.5% in January. Across the year that is 21 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- SJC to BUR — the return legseparate record
- Hollywood Burbank (BUR) delay statistics
- Norman Y. Mineta San Jose International (SJC) delay statistics
- BUR to LAS, a related route80.4%
- SAN to SJC, a related route74.5%
- BUR to PHX, a related route83.0%
- Southwest Airlines on-time record86.3%
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.05 million flight records
Direction matters. BUR to SJC and SJC to BUR are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.