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3,618 km · Domestic

Pittsburgh (PIT) – San Francisco (SFO)

In July 2026, 112 flights operated between Pittsburgh and San Francisco (both directions), and 76.8% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January7370▼ 4.1%
February56560.0%
March6665▼ 1.5%
April10286▼ 15.7%
May118114▼ 3.4%
June112110▼ 1.8%
July114112▼ 1.8%
August108––
September102––
October98–in progress
November98––
December87––
Year to date (Jan–Jul)641613▼ 4.4%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January89.0%80.0%▼ 10.1%
February91.1%87.5%▼ 4.0%
March78.8%93.8%▲ 19.0%
April96.1%79.1%▼ 17.7%
May86.4%78.1%▼ 9.6%
June83.9%75.5%▼ 10.0%
July88.6%76.8%▼ 13.3%
August88.0%––
September94.1%––
October92.9%–in progress
November90.8%––
December85.1%––
Year-to-date average (Jan–Jul)87.7%81.5%▼ 7.0%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January12▲ 100.0%
February00–
March110.0%
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)23▲ 50.0%

By direction

PIT → SFO

Scheduled flights
998
Flights operated
992
Cancelled
6 · 0.6%
On-time departures
81.6%

SFO → PIT

Scheduled flights
997
Flights operated
995
Cancelled
2 · 0.2%
On-time departures
89.0%

PIT → SFO and SFO → PIT counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
United Airlines UA 1,995 100.0% 85.3% 8

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay08:00–09:00-1.1min · 457 recorded · 456 measured
Gap to highest-delay hour22.8min08:00 ↔ 17:00
Recorded flights1,995PIT–SFO

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:0091.1%2.2 min461462
07:00Fewer than 200 measured departures—8283
08:0094.3%-1.1 min456457
09:00Fewer than 200 measured departures—5758
10:00Fewer than 200 measured departures—6969
11:00No observations———
12:00Fewer than 200 measured departures—88
13:00Fewer than 200 measured departures—9192
14:00Fewer than 200 measured departures—33
15:00No observations———
16:00Fewer than 200 measured departures—44
17:0069.8%21.7 min324325
18:00Fewer than 200 measured departures—1414
19:00Fewer than 200 measured departures—4142
20:00No observations———
21:0084.8%4.4 min290290
22:00Fewer than 200 measured departures—3536
23:00Fewer than 200 measured departures—5252

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday82.7%7.9 min317318
Tuesday89.4%6.1 min226228
Wednesday85.4%4.8 min274274
Thursday83.6%6.9 min317317
Friday85.3%10.2 min305306
Saturday90.5%1.7 min232234
Sunday82.9%6.4 min316318

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—143146
FebFewer than 200 measured departures—112112
MarFewer than 200 measured departures—131133
AprFewer than 200 measured departures—188188
May82.3%9.7 min232232
Jun79.7%9.8 min222222
Jul82.7%10.0 min226226
AugFewer than 200 measured departures—108108
SepFewer than 200 measured departures—102102
OctFewer than 200 measured departures—160160
NovFewer than 200 measured departures—190190
DecFewer than 200 measured departures—173176

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 85.0% 1,695
  • Delayed >15 min 14.6% 292
  • Cancelled 0.4% 8
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

25
25 of 25
Flight numbersBy direction DeparturesOn time
UA552 PIT → SFO 130 81.4%
UA436 PIT → SFO 127 55.1%
UA2051 PIT → SFO 89 79.8%
UA433 PIT → SFO 84 90.5%
UA1387 PIT → SFO 77 94.7%
UA2836 SFO → PIT 72 91.7%
UA2248 SFO → PIT 68 94.1%
UA2367 PIT → SFO 67 89.4%
UA2117 SFO → PIT 59 76.3%
UA352 SFO → PIT 46 95.7%
UA335 SFO → PIT 45 77.8%
UA599 SFO → PIT 41 67.5%
UA1498 PIT → SFO 37 88.9%
UA1922 SFO → PIT 37 100.0%
UA2177 PIT → SFO 37 91.9%
UA2669 PIT → SFO 37 94.4%
UA2680 SFO → PIT 37 88.9%
UA643 PIT → SFO 37 97.3%
UA329 SFO → PIT 36 97.2%
UA2047 SFO → PIT 35 88.6%
UA2820 PIT → SFO 35 94.3%
UA644 SFO → PIT 33 97.0%
UA1660 PIT → SFO 32 93.8%
UA625 SFO → PIT 32 100.0%
UA1355 SFO → PIT 31 93.6%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 112 −1.8% 0 76.8%
June 2026 110 −1.8% 0 75.5%
May 2026 114 −3.4% 0 78.1%
April 2026 86 −15.7% 0 79.1%
March 2026 65 −1.5% 1 93.8%
February 2026 56 +0.0% 0 87.5%
January 2026 70 −4.1% 2 80.0%
December 2025 87 +1.2% 1 85.1%
November 2025 98 +6.5% 0 90.8%
October 2025 98 +58.1% 0 92.9%
September 2025 102 0 94.1%
August 2025 108 0 88.0%
July 2025 114 0 88.6%
June 2025 112 0 83.9%
May 2025 118 0 86.4%
April 2025 102 0 96.1%
March 2025 66 1 78.8%
February 2025 56 0 91.1%
January 2025 73 1 89.0%
December 2024 86 2 69.8%
November 2024 92 0 88.0%
October 2024 62 0 87.1%

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