64% of flights from Dallas to San Jose arrived on time over the past 12 months. That is worse than the typical U.S. route. 10% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for DAL → SJC: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 205 three hours or more; 1.7% were cancelled outright.
- On time or early64%
- 15–30 min late15%
- 30–60 min late11%
- 1–2 hours late6.4%
- 2–3 hours late1.2%
- 3+ hours late0.5%
- Diverted0.2%
- Cancelled1.7%
Share of all 409 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Southwest Airlines | 409 | 64% | 1.7% | +3 min | 8.1% | +49 min | Southwest Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at DAL). Delays build through the day as late planes knock on, so early flights usually do best.
By month
Each calendar month pooled over 2023–2026. Best: November (83%). Worst: June (56%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 62 | — | — |
| Tuesday | 56 | — | — |
| Wednesday | 56 | — | — |
| Thursday | 61 | — | — |
| Friday | 60 | — | — |
| Saturday | 52 | — | — |
| Sunday | 62 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 4 · airline 3
Month by month
Not enough months with data to draw a trend.
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Nov 30, 2025 | 3 | 33% | 0 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Dallas or San Jose. DFW → SJC has been 8 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| DAL → SJC (this route) | 409 | 64% | 1.7% |
| DFW → SJC Dallas/Fort Worth to San Jose | 1,090 | 72% | 1.7% |
| DAL → OAK Dallas Love Field to Oakland | 411 | 60% | 1.0% |
| DFW → SFO Dallas/Fort Worth to San Francisco | 4,264 | 59% | 2.2% |
Questions
How often are flights from DAL to SJC on time?
64% of 409 scheduled flights from Dallas, TX to San Jose, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.7% were cancelled.
What month has the most delays from DAL to SJC?
June (56% on time). The best month is November (83%), over 2023–2026.
Related
- SJC → DAL (return)
- Dallas Love Field (DAL) delays by hour
- Flights into San Jose (SJC)
- Southwest Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.