BWI to SJC flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Mineta San Jose International Airport · 2,439 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or SJC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to San Jose (SJC) arrived on time 63% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 8% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (84% on time); around 5pm did worst (32%).
- Friday was the most reliable day to fly (72% on time) and Saturday the least (54%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
Which airline is most on time from BWI 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 | 63% | 0.4% | 19 min | 8.3% | 242 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am63%57 flights
- 12pm54%35 flights
- 1pm84%37 flights
- 2pm81%21 flights
- 3pm64%28 flights
- 5pm32%25 flights
- 6pm52%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday62%0.0% cancelled
- Tuesday55%2.9% cancelled
- Wednesday62%0.0% cancelled
- Thursday66%0.0% cancelled
- Friday72%0.0% cancelled
- Saturday54%0.0% cancelled
- Sunday71%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.
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft28%
- Air traffic control & airport congestion23%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
BWI to SJC: common questions
- How often are BWI to SJC flights on time?
- 63% 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 Baltimore to San Jose cancelled?
- 0.4% of scheduled flights were cancelled (1 of 242).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 46 min behind schedule on average, and 8.3% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SJC to BWI — 81% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → SJC, nonstop flights by US airlines that report to the DOT. How we calculate this.