Route · PIT → SFO · 2020–2025 BTS data
Pittsburgh to San Francisco
The PIT–SFO corridor (Pittsburgh, PA → San Francisco, CA) runs ahead of the national average, served by 1 carrier across roughly 2,254 miles.
Data updated 2026-06-13
- 84%
- On-time
- +5 pts
- vs US avg
- 74 min
- Delay when late
- 1,887
- Flights
Cancelled
0.8%
Best Month
Sep 2025 94%
Worst Month
May 2024 60%
Distance
2,254 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 44 | 12 | 1 | 0 | UA |
| Nov 2025 | 49 | 4 | 0 | 0 | UA |
| Oct 2025 | 49 | 3 | 0 | 1 | UA |
| Sep 2025 | 51 | 3 | 0 | 0 | UA |
| Aug 2025 | 54 | 8 | 0 | 0 | UA |
| Jul 2025 | 57 | 10 | 0 | 0 | UA |
| Jun 2025 | 56 | 15 | 0 | 0 | UA |
| May 2025 | 59 | 8 | 0 | 0 | UA |
| Apr 2025 | 51 | 3 | 0 | 0 | UA |
| Mar 2025 | 34 | 9 | 1 | 0 | UA |
| Jan 2025 | 37 | 10 | 1 | 0 | UA |
| Dec 2024 | 44 | 15 | 1 | 0 | UA |
| Nov 2024 | 46 | 7 | 0 | 1 | UA |
| Oct 2024 | 48 | 7 | 0 | 0 | UA |
| Sep 2024 | 47 | 4 | 0 | 0 | UA |
| Aug 2024 | 53 | 6 | 0 | 0 | UA |
| Jul 2024 | 58 | 4 | 4 | 1 | UA |
| Jun 2024 | 55 | 8 | 1 | 0 | UA |
| May 2024 | 60 | 24 | 0 | 0 | UA |
| Apr 2024 | 60 | 23 | 0 | 0 | UA |
| Mar 2024 | 56 | 21 | 0 | 0 | UA |
| Jan 2024 | 31 | 7 | 0 | 0 | UA |
| Dec 2023 | 38 | 2 | 0 | 0 | UA |
| Nov 2023 | 49 | 3 | 0 | 0 | UA |
Cancellation Rate
0.8%
9 of 1,186 flights
Diversion Rate
0.3%
3 of 1,186 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PIT - Pittsburgh
Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.
Origin airport →SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Destination airport →Compare the two airports
See PIT and SFO side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PIT–SFO.
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What the Data Says About PIT to SFO
Bureau of Transportation Statistics records show Pittsburgh to San Francisco (PIT to SFO) running a 84% on-time rate over 1,887 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 73.6 minutes. The 2,254-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 1,186 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 94% on-time, while May 2024 came in at just 60% - a 34-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.