Flight profile · SkyWest Airlines
OO5636
San Diego (SAN) to Los Angeles (LAX) · scheduled 8:40 PM – 9:55 PM
How OO5636 performs
865 operations, October 2023 – July 2026.
OO5636 arrived on time 87.1% of the time, against 88.5% for all SAN → LAX flights, so this departure is 1.4 percentage points worse than the route as a whole. Against SkyWest Airlines’ own flights on this route it is 1.2 points worse.
Source: US DOT Bureau of Transportation Statistics · 865 operations, October 2023 – July 2026 · If OO5636 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
Where OO5636 is right now
A live reading, only if you ask for it. It is not part of the reliability record above.
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Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| OO5636 | 87.1% | 1.27% | -6 min | 3.3% | 865 |
| SkyWest Airlines on SAN → LAX | 88.3% | 0.50% | -9 min | 4.0% | 6,796 |
| All SAN → LAX flights | 88.5% | 0.50% | -9 min | 3.9% | 7,052 |
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – July 2026
Why OO5636 runs late
Where US DOT attributed the delay minutes on this flight.
crew, maintenance, boarding and fueling, all within the carrier’s control
the inbound aircraft was late, so this flight started late
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for OO5636 on SAN → LAX. Only delays of 15 minutes or more are attributed.
Source: US DOT Bureau of Transportation Statistics · Data covering October 2023 – July 2026
Does a late aircraft delay this flight?
How often the plane that flies OO5636 comes in late, and what that does to the departure.
The aircraft flying OO5636 came in 15 or more minutes late on 13% of the departures where its previous flight is known. There are not enough departures in both groups to say how the flight left after a late one and after an on-time one.
Each departure is matched to the flight the same aircraft flew into SAN just before it, using the tail number in the DOT file, 844 of 854 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late |
|---|---|
| OO5636 | 13% |
| Network, same turn | 18% |
The schedule leaves a normal turn: enough time to clean and board if the aircraft is on time, little to spare if it is not.
The network row is every flight with a scheduled turn of 45 to 59 minutes. How often OO5636’s aircraft landed 15 or more minutes late is lower than the network’s. There are not enough departures in both groups to compare how it left.
More: Which Flight Numbers Pay for a Late Aircraft lists the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering October 2023 – July 2026
From pushback to gate
When it leaves SAN late, does that still matter by the time it reaches LAX?
On arrival at LAX, OO5636 spends 13.4 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 2.7 minutes longer than a typical LAX arrival (10.7 min).
Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached LAX. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 14,722 departures from SAN scheduled in the clock hour OO5636 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at LAX (595,170 flights), not just OO5636’s own. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – July 2026
The hour it leaves SAN
Part of any flight’s record belongs to the clock rather than to the flight. OO5636 has one departure time, so this is what that time is worth.
On-time arrival rate. 14,722 departures from SAN are scheduled in the 8 PM–9 PM hour over the period, against 297,668 across the whole day.
OO5636 is scheduled out of SAN at 8:40 PM, in the 8 PM–9 PM bank. Departures from SAN in that hour arrive on time 69.1% of the time against 77.9% across the airport’s whole day — the slot alone is worth 8.8 points worse before anything about this particular flight is considered.
The two airport figures cover every departure from SAN to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – July 2026 · Hours below 120 departures are not scored.
By day of week
Does OO5636 run worse on particular days?
Tuesday is historically the most reliable day and Sunday the least, a gap of 13.4 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · October 2023 – July 2026 · Days with fewer than 120 operations are not scored.
Other routes OO5636 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| ORD→TVC Chicago to Traverse City | May 24, 2026 | 1 | — |
| ORD→ALB Chicago to Albany | April 6–29, 2026 | 23 | — |
| LAX→ASE Los Angeles to Aspen | March 29, 2026 – April 11, 2026 | 9 | — |
| SAT→ORD San Antonio to Chicago | February 12, 2026 – March 28, 2026 | 39 | — |
| SFO→LAX San Francisco to Los Angeles | May 4, 2025 | 1 | — |
| PNS→ORD Pensacola to Chicago | March 8–29, 2025 | 4 | — |
| GUC→DEN Gunnison to Denver | May 25, 2024 – June 22, 2024 | 5 | — |
| ABQ→IAH Albuquerque to Houston | September 29, 2023 – October 28, 2023 | 6 | — |
| TUL→IAH Tulsa to Houston | September 6–28, 2023 | 17 | — |
| IAH→HDN Houston to Hayden | July 1, 2023 – September 2, 2023 | 19 | — |
Because the same number has served different journeys, the statistics above describe only the route OO5636 currently operates. Blending them would produce an average of two different flights.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
18 min late
against a median of 6 min early
Percentiles over 865 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering October 2023 – July 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| OO3743 | SkyWest Airlines | 95.0% | 9 min early | 1,051 |
| OO4723 | SkyWest Airlines | 92.1% | 9 min early | 929 |
| OO4087 | SkyWest Airlines | 87.7% | 10 min early | 692 |
| OO5249 | SkyWest Airlines | 87.4% | 10 min early | 900 |
| OO5636 this flight | SkyWest Airlines | 87.1% | 6 min early | 865 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. OO5636 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 865 records of OO5636 operating SAN → LAX, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
Analysis last recomputed