SkyWest Airlines SFO to TUS on-time performance
SkyWest Airlines nonstop flights from San Francisco to Tucson · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.3%
3 flights
Avg arrival delay
15 min
66 min when late
Rank on route
#1 of 2
route average 78% on time
Key facts
- SkyWest Airlines flights on SFO to TUS arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 8% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (43%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion43%
- Late-arriving aircraft30%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather2%
- Security0%
Other airlines on SFO to TUS
- United Airlines75% on time · 14 min avg delay
Full SFO to TUS comparison →
SkyWest Airlines on-time record across all routes →
882 SkyWest Airlines flights tracked on this route; 3 cancelled, 1 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.