Baltimore (BWI) to San Jose (SJC): On-Time Performance
Data through May 2026
Baltimore (BWI) to San Jose (SJC) is a thinner route than most in this dataset — 238 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 68% arrived on time, noticeably below the national average of 78%.
- On-time
- 68%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 0.65
- last 12 months
- Duration
- 5h 44m
- scheduled
- Distance
- 2,439 mi
Best airline from BWI to SJC
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 81% | 14 min | 3.0% | 66 |
| Southwest Airlines | 64% | 22 min | 0.0% | 238 |
Monthly on-time trend
Best time to fly from BWI to SJC
Aim for departures around 1 p.m. (84% on-time); avoid 9 a.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 20 min |
| Tuesday | 58% | 19 min |
| Wednesday | 63% | 27 min |
| Thursday | 71% | 20 min |
| Fridaybest | 77% | 19 min |
| Saturday | 67% | 21 min |
| Sunday | 68% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations38%
- National airspace system22%
- Weather17%
Frequently asked questions
- How often are flights from BWI to SJC delayed?
- 32% of BWI–SJC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from BWI to SJC?
- Spirit Airlines has the best on-time record on this route at 81%, based on 66 flights. 2 airlines flew BWI–SJC frequently enough to compare in this period.
- What is the best time of day to fly from BWI to SJC?
- Departures around 1 p.m. have the best record (84% on-time), while departures around 9 a.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to SJC?
- The scheduled BWI–SJC flight time averages 5h 44m over 2,439 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
- How often are BWI to SJC flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for BWI to SJC?
- Friday flights have the best record at 77% on-time. Day-of-week differences on this route are meaningful — Tuesday trails at 58%.
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Based on 304 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.