Route · SFO → PIT · 2020–2025 BTS data
San Francisco to Pittsburgh
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to PIT (San Francisco to Pittsburgh) ranks #3908 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.7%
- On-time
- +6.7 pts
- vs US avg
- 54 min
- Delay when late
- 1,854
- Flights
- #3908 of 4927
- Corpus placement
Cancelled
0.3%
Best Month
Apr 2025 98%
Worst Month
Jul 2024 67%
Distance
2,254 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 44 | 2 | 0 | 0 | UA |
| Nov 2025 | 49 | 3 | 0 | 0 | UA |
| Oct 2025 | 49 | 3 | 0 | 0 | UA |
| Sep 2025 | 51 | 5 | 0 | 0 | UA |
| Aug 2025 | 54 | 11 | 0 | 0 | UA |
| Jul 2025 | 57 | 9 | 0 | 0 | UA |
| Jun 2025 | 56 | 9 | 0 | 0 | UA |
| May 2025 | 59 | 15 | 0 | 0 | UA |
| Apr 2025 | 51 | 1 | 0 | 0 | UA |
| Mar 2025 | 33 | 6 | 0 | 0 | UA |
| Jan 2025 | 37 | 4 | 0 | 1 | UA |
| Dec 2024 | 44 | 7 | 1 | 0 | UA |
| Nov 2024 | 46 | 3 | 0 | 0 | UA |
| Oct 2024 | 48 | 4 | 0 | 0 | UA |
| Sep 2024 | 47 | 7 | 0 | 0 | UA |
| Aug 2024 | 53 | 11 | 0 | 0 | UA |
| Jul 2024 | 58 | 19 | 3 | 0 | UA |
| Jun 2024 | 55 | 5 | 0 | 0 | UA |
| May 2024 | 60 | 9 | 0 | 1 | UA |
| Apr 2024 | 60 | 16 | 0 | 1 | UA |
| Mar 2024 | 57 | 10 | 0 | 1 | UA |
| Jan 2024 | 31 | 8 | 0 | 0 | UA |
| Dec 2023 | 38 | 5 | 0 | 0 | UA |
| Nov 2023 | 49 | 3 | 0 | 0 | UA |
SFO–PIT seasonal on-time pattern
Best: October (92.9%) · weakest: May (79.6%)
Strongest calendar month
October
92.9% on-time · ~46 flights/mo
Busiest calendar month
June
~56 flights/mo avg
Weakest calendar month
May
79.6% on-time · ~45 flights/mo
Cancellation Rate
0.3%
4 of 1,186 flights
Diversion Rate
0.3%
4 of 1,186 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profilePIT - Pittsburgh
Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.
PIT on-time profileCompare the two airports
See SFO and PIT side by side on delays, cancellations, and reliability.
Compare SFO vs PITOrigin-hub reliability standing
Among SFO's stronger departures
SFO → PIT posts a 85.7% on-time rate, landing in the ≥85% band with 20 of 73 BTS-tracked routes leaving San Francisco. The same hub also shows 50 mid-band and 3 challenged departures · fleet-wide on-time rank #1006 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SFO–PIT.
Routes with a similar on-time rate
What the Data Says About SFO to PIT
San Francisco to Pittsburgh (SFO to PIT) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.7% on-time rate across 1,854 flights, with delays that do happen averaging 53.5 minutes. The corridor runs roughly 2,254 miles and is served by 1 carrier. Over the most recent 24 months, 4 of 1,186 flights were cancelled (0.3%) and 4 diverted (0.3%).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 98% on-time, while Jul 2024 came in at just 67% - a 31-point swing worth factoring into travel timing.
On the multi-year calendar, SFO–PIT peaks in October at 92.9% on-time while June carries the heaviest traffic (~56 flights per month) ; the softest month is May at 79.6%, a 13.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SFO to PIT rank among US routes by traffic? ▼
How often are flights delayed from SFO to PIT? ▼
What is the cancellation rate for SFO to PIT? ▼
How far is the flight from SFO to PIT? ▼
When is the best time to fly from SFO to PIT? ▼
Airports on this route
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.
Using SFO–PIT data
SFO–PIT runs 6.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SFO and PIT airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
- If your dates flex, October (92.9% on-time) beats May (79.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.7% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.