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424 km · Domestic

Oakland San Francisco Bay (OAK) – Santa Barbara (SBA)

In July 2026, 62 flights operated between Oakland San Francisco Bay and Santa Barbara (both directions), and 85.5% 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
January6218▼ 71.0%
February5636▼ 35.7%
March6258▼ 6.5%
April60600.0%
May62620.0%
June5260▲ 15.4%
July5262▲ 19.2%
August44––
September42––
October34–in progress
November60––
December61––
Year to date (Jan–Jul)406356▼ 12.3%

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
January93.5%100.0%▲ 7.0%
February83.9%77.8%▼ 7.3%
March88.7%87.9%▼ 0.9%
April81.7%83.3%▲ 2.0%
May80.6%80.6%0.0%
June75.0%70.0%▼ 6.7%
July78.8%85.5%▲ 8.5%
August88.6%––
September92.9%––
October70.6%–in progress
November88.3%––
December83.6%––
Year-to-date average (Jan–Jul)83.2%83.6%▲ 0.5%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January02–
February00–
March00–
April00–
May00–
June00–
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December1––
Year to date (Jan–Jul)220.0%

By direction

OAK → SBA

Scheduled flights
586
Flights operated
583
Cancelled
3 · 0.5%
On-time departures
83.7%

SBA → OAK

Scheduled flights
586
Flights operated
584
Cancelled
2 · 0.3%
On-time departures
84.8%

OAK → SBA and SBA → OAK counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,172 100.0% 84.2% 5

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

Recorded flights1,172OAK–SBA

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 20 · 20 recorded · 20 measured · Source: the US BTS 07:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 08:00 · 51 · 51 recorded · 51 measured · Source: the US BTS 09:00 · 155 · 155 recorded · 154 measured · Source: the US BTS 10:00 · 45 · 45 recorded · 45 measured · Source: the US BTS 11:00 · 117 · 117 recorded · 117 measured · Source: the US BTS 12:00 · 119 · 119 recorded · 119 measured · Source: the US BTS 13:00 · 119 · 119 recorded · 119 measured · Source: the US BTS 14:00 · 70 · 70 recorded · 69 measured · Source: the US BTS 15:00 · 55 · 55 recorded · 54 measured · Source: the US BTS 16:00 · 128 · 128 recorded · 128 measured · Source: the US BTS 17:00 · 94 · 94 recorded · 94 measured · Source: the US BTS 18:00 · 184 · 184 recorded · 182 measured · Source: the US BTS 19:00 · 8 · 8 recorded · 8 measured · Source: the US BTS 20:00 · 5 · 5 recorded · 5 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

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———
06:00Fewer than 200 measured departures—2020
07:00Fewer than 200 measured departures—22
08:00Fewer than 200 measured departures—5151
09:00Fewer than 200 measured departures—154155
10:00Fewer than 200 measured departures—4545
11:00Fewer than 200 measured departures—117117
12:00Fewer than 200 measured departures—119119
13:00Fewer than 200 measured departures—119119
14:00Fewer than 200 measured departures—6970
15:00Fewer than 200 measured departures—5455
16:00Fewer than 200 measured departures—128128
17:00Fewer than 200 measured departures—9494
18:00Fewer than 200 measured departures—182184
19:00Fewer than 200 measured departures—88
20:00Fewer than 200 measured departures—55
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 182 · 182 recorded · 182 measured · Source: the US BTS Tuesday · 146 · 146 recorded · 145 measured · Source: the US BTS Wednesday · 144 · 144 recorded · 143 measured · Source: the US BTS Thursday · 182 · 182 recorded · 181 measured · Source: the US BTS Friday · 180 · 180 recorded · 180 measured · Source: the US BTS Saturday · 150 · 150 recorded · 148 measured · Source: the US BTS Sunday · 188 · 188 recorded · 188 measured · Source: the US BTS

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

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—182182
TuesdayFewer than 200 measured departures—145146
WednesdayFewer than 200 measured departures—143144
ThursdayFewer than 200 measured departures—181182
FridayFewer than 200 measured departures—180180
SaturdayFewer than 200 measured departures—148150
SundayFewer than 200 measured departures—188188

Month of year

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 82 · 82 recorded · 80 measured · Source: the US BTS Feb · 92 · 92 recorded · 92 measured · Source: the US BTS Mar · 120 · 120 recorded · 120 measured · Source: the US BTS Apr · 120 · 120 recorded · 120 measured · Source: the US BTS May · 124 · 124 recorded · 124 measured · Source: the US BTS Jun · 112 · 112 recorded · 112 measured · Source: the US BTS Jul · 116 · 116 recorded · 114 measured · Source: the US BTS Aug · 44 · 44 recorded · 44 measured · Source: the US BTS Sep · 42 · 42 recorded · 42 measured · Source: the US BTS Oct · 74 · 74 recorded · 74 measured · Source: the US BTS Nov · 120 · 120 recorded · 120 measured · Source: the US BTS Dec · 126 · 126 recorded · 125 measured · Source: the US BTS

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

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—8082
FebFewer than 200 measured departures—9292
MarFewer than 200 measured departures—120120
AprFewer than 200 measured departures—120120
MayFewer than 200 measured departures—124124
JunFewer than 200 measured departures—112112
JulFewer than 200 measured departures—114116
AugFewer than 200 measured departures—4444
SepFewer than 200 measured departures—4242
OctFewer than 200 measured departures—7474
NovFewer than 200 measured departures—120120
DecFewer than 200 measured departures—125126

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 83.9% 983
  • Delayed >15 min 15.7% 184
  • Cancelled 0.4% 5
  • 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

12
12 of 12
Flight numbersBy direction DeparturesOn time
WN4591 SBA → OAK 99 86.9%
WN1484 OAK → SBA 98 90.8%
WN4284 SBA → OAK 64 88.9%
WN1798 OAK → SBA 63 83.6%
WN1903 OAK → SBA 58 77.6%
WN4075 OAK → SBA 43 83.3%
WN1742 SBA → OAK 42 81.0%
WN3843 SBA → OAK 40 95.0%
WN2312 OAK → SBA 39 87.2%
WN2336 SBA → OAK 34 82.4%
WN3976 OAK → SBA 34 82.4%
WN3307 SBA → OAK 32 75.0%

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 62 +19.2% 0 85.5%
June 2026 60 +15.4% 0 70.0%
May 2026 62 +0.0% 0 80.6%
April 2026 60 +0.0% 0 83.3%
March 2026 58 −6.5% 0 87.9%
February 2026 36 −35.7% 0 77.8%
January 2026 18 −71.0% 2 100.0%
December 2025 61 −4.7% 1 83.6%
November 2025 60 +0.0% 0 88.3%
October 2025 34 −15.0% 0 70.6%
September 2025 42 0 92.9%
August 2025 44 0 88.6%
July 2025 52 2 78.8%
June 2025 52 0 75.0%
May 2025 62 0 80.6%
April 2025 60 0 81.7%
March 2025 62 0 88.7%
February 2025 56 0 83.9%
January 2025 62 0 93.5%
December 2024 64 0 82.8%
November 2024 60 0 91.7%
October 2024 40 0 95.0%

How to read this chart

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