TUS to SFO flight delays & on-time performance
Nonstop flights from Tucson International Airport to San Francisco International Airport · 751 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TUS or SFO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Tucson (TUS) to San Francisco (SFO) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 11% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (69% on time); United Airlines was the least (69%).
- Departures scheduled around 11am did best (100% on time); around 9am did worst (25%).
- Saturday was the most reliable day to fly (80% on time) and Friday the least (59%).
- The largest source of delay minutes was air traffic control & airport congestion (64%).
Which airline is most on time from TUS to SFO?
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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 69% | 0.3% | 22 min | 11.2% | 883 |
| United Airlines | 69% | 1.6% | 25 min | 14.8% | 62 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am90%83 flights
- 7am82%156 flights
- 8am26%54 flights
- 9am25%79 flights
- 10am77%31 flights
- 11am100%37 flights
- 12pm80%100 flights
- 1pm74%126 flights
- 3pm60%103 flights
- 6pm69%48 flights
- 7pm68%80 flights
- 8pm76%41 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday62%0.0% cancelled
- Tuesday78%0.8% cancelled
- Wednesday67%0.0% cancelled
- Thursday68%0.0% cancelled
- Friday59%0.0% cancelled
- Saturday80%1.6% cancelled
- Sunday73%0.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion64%
- Late-arriving aircraft18%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion0%
- Security0%
TUS to SFO: common questions
- How often are TUS to SFO flights on time?
- 69% 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 Tucson to San Francisco cancelled?
- 0.4% of scheduled flights were cancelled (4 of 945).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 69 min behind schedule on average, and 11.4% of flights were an hour or more late.
- How long is taxi time at TUS?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SFO to TUS — 78% on time
More flights from Tucson
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TUS → SFO, nonstop flights by US airlines that report to the DOT. How we calculate this.