United Airlines SFO to BWI on-time performance
United Airlines nonstop flights from San Francisco to Baltimore · Aug 2025 – Jul 2026
On-time arrivals
90%
arrived < 15 min late
Cancelled
0.4%
3 flights
Avg arrival delay
6 min
50 min when late
Rank on route
#1 of 2
route average 81% on time
Key facts
- United Airlines flights on SFO to BWI arrived on time 90% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 2% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)41%
- Late-arriving aircraft40%
- Air traffic control & airport congestion17%
- Extreme weather3%
- Security0%
Other airlines on SFO to BWI
- Southwest Airlines65% on time · 18 min avg delay
Full SFO to BWI comparison →
United Airlines on-time record across all routes →
688 United Airlines flights tracked on this route; 3 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.