SFO to PIT flight delays & on-time performance
Nonstop flights from San Francisco International Airport to Pittsburgh International Airport · 2,254 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SFO or PIT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Francisco (SFO) to Pittsburgh (PIT) arrived on time 89% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.2% were cancelled, and 3% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (93% on time); around 9pm did worst (82%).
- Friday was the most reliable day to fly (92% on time) and Monday the least (86%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from SFO to PIT?
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 |
|---|---|---|---|---|---|
| United Airlines | 89% | 0.2% | 6 min | 2.5% | 555 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am93%209 flights
- 10am84%45 flights
- 1pm92%92 flights
- 9pm82%176 flights
- 10pm89%18 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday86%0.0% cancelled
- Tuesday86%0.0% cancelled
- Wednesday89%0.0% cancelled
- Thursday86%0.0% cancelled
- Friday92%0.0% cancelled
- Saturday91%1.4% cancelled
- Sunday91%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.
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion21%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
SFO to PIT: common questions
- How often are SFO to PIT flights on time?
- 89% 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 San Francisco to Pittsburgh cancelled?
- 0.2% of scheduled flights were cancelled (1 of 555).
- How long are typical delays?
- Across all flights the average arrival delay was 6 min (early arrivals count as zero). Flights that were late arrived 46 min behind schedule on average, and 2.5% of flights were an hour or more late.
- How long is taxi time at SFO?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PIT to SFO — 81% on time
More flights from San Francisco
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SFO → PIT, nonstop flights by US airlines that report to the DOT. How we calculate this.