STL to SJC flight delays & on-time performance
Nonstop flights from St. Louis Lambert International Airport to Mineta San Jose International Airport · 1,715 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at STL or SJC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from St. Louis (STL) to San Jose (SJC) arrived on time 100% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 0% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
Which airline is most on time from STL to SJC?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 100% | 0.0% | 9 min | 0.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Saturday100%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.
No delay causes recorded in this period.
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
STL to SJC: common questions
- How often are STL to SJC flights on time?
- 100% 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 St. Louis to San Jose cancelled?
- 0.0% of scheduled flights were cancelled (0 of 1).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived – behind schedule on average, and 0.0% of flights were an hour or more late.
- How long is taxi time at STL?
- Flights on this route spent 10 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SJC to STL — 100% on time
More flights from St. Louis
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: STL → SJC, nonstop flights by US airlines that report to the DOT. How we calculate this.