Flight number record
OO 3402
SkyWest Airlines · Fresno to San Diego
- Route
- FAT → SAN
- Departs
- 06:00
- Flights
- 359
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s OO 3402, check with SkyWest Airlines. SkyWest Airlines flies under contract for larger airlines, so a ticket for this flight may show a different airline code and number.
OO 3402 earns an A−. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 15 points better than the national rate of 77.3%. When something does go wrong the average delay runs a little over an hour. That rests on 359 flights, with a median arrival 8 minutes early.
Set against the rest of the country, OO 3402's record is 15 points better than the US average of 77.3%. That gap is worth roughly 146 fewer late arrivals for every thousand flights.
Key figures
On time
91.9%
Arrivals under 15 minutes late, of 345 completed flights
Avg delay
69 min
Across delayed arrivals only, not all flights
Cancelled
3.06%
National rate is 1.89%
1 hour+ late
2.6%
National rate is 8.3%
These figures cover 359 flights between September 2025 and August 2026. The median arrival is 8 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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Schedule
When OO 3402 flies
OO 3402 flies FAT to SAN without a single fixed slot. Its most common scheduled departure was 06:00, used on 281 of 359 flights, with 06:02 (65 flights) next.
- Departs 06:00281 flights78.3%
- Departs 06:0265 flights18.1%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 06:00 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and OO 3402 runs 3 points better at 91.9%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
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Against the route
OO 3402 next to FAT to SAN
Every carrier on FAT to SAN combined arrived on time 73.2% of the time across 1,818 flights, so OO 3402 is 19 points ahead of it. SkyWest flew 1,191 flights on the same city pair under all its flight numbers, including this one, and those ran 73.3% on time. Across its whole network SkyWest Airlines managed 78.7%, which this flight beats by 13 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| OO 3402thin sample | 359 | 91.9% | 69 min | 3.06% | A− |
| All SkyWest Airlines on FAT–SAN | 1,191 | 73.3% | 53 min | 1.93% | C |
| All carriers on FAT–SAN | 1,818 | 73.2% | 53 min | 1.38% | C |
| SkyWest Airlines, whole network | 855,406 | 78.7% | 88 min | 1.79% | B |
Across the year
OO 3402 quarter by quarter
Quarter by quarter OO 3402 held fairly steady: 90.0% in Oct–Dec 2025, 94.9% in Jan–Mar 2026, 91.0% in Apr–Jun 2026 and 89.7% in Jul–Sep 2026. A spread of 5 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.
- Jul–Sep 202530 flights—
- Oct–Dec 202592 flights90.0%
- Jan–Mar 202685 flights94.9%
- Apr–Jun 202690 flights91.0%
- Jul–Sep 202662 flights89.7%
Scale runs 80% to 100%. Rows with fewer than 30 flights show a dash.
By weekday, OO 3402 did best on Monday at 98.0% on time and worst on Saturday at 86.0%. Each day rests on about 51 flights, so a gap of 12 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late OO 3402 runs when it is late
The 28 late arrivals split 12 under half an hour, 7 between 30 and 60 minutes, and 9 an hour or more.
- 15+ min early73 flights21.2%
- Within 15 min244 flights70.7%
- 15–29 min late12 flights3.5%
- 30–59 min late7 flights2.0%
- 1–2 hours late4 flights1.2%
- 2+ hours late5 flights1.4%
Scale runs 0% to 100%.
Share of 345 completed flights by arrival against schedule.
Only 15 of 345 completed flights left 15 minutes late or more, too few to say how often the time is made up.
The worst days
Worst days for OO 3402
The latest arrival of the period was on 8 March 2026, 4 hours 24 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 8 March 2026 | 4 hours 24 minutes | Carrier |
| 28 June 2026 | 3 hours 26 minutes | Carrier |
| 21 July 2026 | 3 hours 24 minutes | National Airspace System |
| 11 July 2026 | 2 hours 53 minutes | Carrier |
| 19 March 2026 | 2 hours 4 minutes | Extreme weather |
Delay causes
Why OO 3402 runs late
Carrier accounts for 76% of the 1,921 delay minutes carriers reported here, and the remaining four split what is left.
- 76%Carrier
- 14%National Airspace System
- 9%Extreme weather
The largest share of delay minutes, 76%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 1,466 of the 1,921 delay minutes reported here. The split is drawn from 1,921 delay minutes reported on OO 3402.
Cancellations run at 3.06%, against 1.89% nationally. That is roughly one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and routes
What a delay on this flight costs
Badly late arrivals are rare here: only 2.6% 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.
Every one of the 359 flights under OO 3402 in the data flew FAT to SAN. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 359 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking OO 3402
For a booking, the cancellation rate is the figure to plan around on OO 3402: 3.06% of its 359 scheduled flights did not operate. A late arrival costs a little over an hour, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- FAT to SAN, every carrier and departure
- SAN to FAT, the return direction
- San Diego International (SAN) delay statistics
- SkyWest Airlines on-time record
- Every SkyWest Airlines flight number with a record
- The most and least reliable flight numbers in the US
- What a cancellation rate actually tells you (and what it hides)
A flight number here means SkyWest Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
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.