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2,639 km · Domestic

William P. Hobby (HOU) – Oakland San Francisco Bay (OAK)

In July 2026, 62 flights operated between William P. Hobby and Oakland San Francisco Bay (both directions), and 51.6% 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
January6164▲ 4.9%
February56560.0%
March6263▲ 1.6%
April60600.0%
May62620.0%
June5960▲ 1.7%
July62620.0%
August62––
September60––
October70–in progress
November63––
December66––
Year to date (Jan–Jul)422427▲ 1.2%

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
January85.2%87.5%▲ 2.7%
February75.0%83.9%▲ 11.9%
March80.6%81.0%▲ 0.5%
April83.3%83.3%0.0%
May85.5%85.5%0.0%
June62.7%55.0%▼ 12.3%
July62.9%51.6%▼ 18.0%
August69.4%––
September78.3%––
October75.7%–in progress
November73.0%––
December69.7%––
Year-to-date average (Jan–Jul)76.5%75.4%▼ 1.4%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January20▼ 100.0%
February00–
March00–
April00–
May00–
June10▼ 100.0%
July00–
August0––
September0––
October0–in progress
November3––
December0––
Year to date (Jan–Jul)30▼ 100.0%

By direction

HOU → OAK

Scheduled flights
685
Flights operated
682
Cancelled
3 · 0.4%
On-time departures
67.6%

OAK → HOU

Scheduled flights
685
Flights operated
682
Cancelled
3 · 0.4%
On-time departures
84.0%

HOU → OAK and OAK → HOU counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,370 100.0% 75.8% 6

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 delay05:00–06:002.1min · 208 recorded · 207 measured
Recorded flights1,370HOU–OAK

Departure hour

On-time departures 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 · 96.1% · 208 recorded · 207 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 145 recorded · 143 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 103 recorded · 103 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 169 recorded · 169 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 56 recorded · 56 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 15 recorded · 15 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 80 recorded · 80 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 24 recorded · 24 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 115 recorded · 115 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 40 recorded · 40 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 113 recorded · 113 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 33 recorded · 33 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 22 recorded · 21 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 88 recorded · 87 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 143 recorded · 142 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 16 recorded · 16 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.

Average departure delay 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 · 2.1 min · 208 recorded · 207 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 145 recorded · 143 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 103 recorded · 103 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 169 recorded · 169 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 56 recorded · 56 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 15 recorded · 15 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 80 recorded · 80 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 24 recorded · 24 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 115 recorded · 115 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 40 recorded · 40 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 113 recorded · 113 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 33 recorded · 33 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 22 recorded · 21 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 88 recorded · 87 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 143 recorded · 142 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 16 recorded · 16 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.

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 · 208 · 208 recorded · 207 measured · Source: the US BTS 06:00 · 145 · 145 recorded · 143 measured · Source: the US BTS 07:00 · 103 · 103 recorded · 103 measured · Source: the US BTS 08:00 · 169 · 169 recorded · 169 measured · Source: the US BTS 09:00 · 56 · 56 recorded · 56 measured · Source: the US BTS 10:00 · 15 · 15 recorded · 15 measured · Source: the US BTS 11:00 · 80 · 80 recorded · 80 measured · Source: the US BTS 12:00 · 24 · 24 recorded · 24 measured · Source: the US BTS 13:00 · 115 · 115 recorded · 115 measured · Source: the US BTS 14:00 · 40 · 40 recorded · 40 measured · Source: the US BTS 15:00 · 113 · 113 recorded · 113 measured · Source: the US BTS 16:00 · 33 · 33 recorded · 33 measured · Source: the US BTS 17:00 · 22 · 22 recorded · 21 measured · Source: the US BTS 18:00 · 88 · 88 recorded · 87 measured · Source: the US BTS 19:00 · 143 · 143 recorded · 142 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · 16 · 16 recorded · 16 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.

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———
05:0096.1%2.1 min207208
06:00Fewer than 200 measured departures—143145
07:00Fewer than 200 measured departures—103103
08:00Fewer than 200 measured departures—169169
09:00Fewer than 200 measured departures—5656
10:00Fewer than 200 measured departures—1515
11:00Fewer than 200 measured departures—8080
12:00Fewer than 200 measured departures—2424
13:00Fewer than 200 measured departures—115115
14:00Fewer than 200 measured departures—4040
15:00Fewer than 200 measured departures—113113
16:00Fewer than 200 measured departures—3333
17:00Fewer than 200 measured departures—2122
18:00Fewer than 200 measured departures—8788
19:00Fewer than 200 measured departures—142143
20:00No observations———
21:00Fewer than 200 measured departures—1616
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · Fewer than 200 measured departures · 194 recorded · 193 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 188 recorded · 186 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 189 recorded · 188 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 192 recorded · 192 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 194 recorded · 193 measured · Source: the US BTS Saturday · 74.5% · 208 recorded · 208 measured · Source: the US BTS Sunday · 71.1% · 205 recorded · 204 measured · Source: the US BTS

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
Monday · Fewer than 200 measured departures · 194 recorded · 193 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 188 recorded · 186 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 189 recorded · 188 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 192 recorded · 192 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 194 recorded · 193 measured · Source: the US BTS Saturday · 13.0 min · 208 recorded · 208 measured · Source: the US BTS Sunday · 13.3 min · 205 recorded · 204 measured · Source: the US BTS

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
Monday · 194 · 194 recorded · 193 measured · Source: the US BTS Tuesday · 188 · 188 recorded · 186 measured · Source: the US BTS Wednesday · 189 · 189 recorded · 188 measured · Source: the US BTS Thursday · 192 · 192 recorded · 192 measured · Source: the US BTS Friday · 194 · 194 recorded · 193 measured · Source: the US BTS Saturday · 208 · 208 recorded · 208 measured · Source: the US BTS Sunday · 205 · 205 recorded · 204 measured · Source: the US BTS

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
MondayFewer than 200 measured departures—193194
TuesdayFewer than 200 measured departures—186188
WednesdayFewer than 200 measured departures—188189
ThursdayFewer than 200 measured departures—192192
FridayFewer than 200 measured departures—193194
Saturday74.5%13.0 min208208
Sunday71.1%13.3 min204205

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 · 127 · 127 recorded · 125 measured · Source: the US BTS Feb · 112 · 112 recorded · 112 measured · Source: the US BTS Mar · 125 · 125 recorded · 125 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 · 120 · 120 recorded · 119 measured · Source: the US BTS Jul · 124 · 124 recorded · 124 measured · Source: the US BTS Aug · 62 · 62 recorded · 62 measured · Source: the US BTS Sep · 60 · 60 recorded · 60 measured · Source: the US BTS Oct · 130 · 130 recorded · 130 measured · Source: the US BTS Nov · 132 · 132 recorded · 129 measured · Source: the US BTS Dec · 134 · 134 recorded · 134 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—125127
FebFewer than 200 measured departures—112112
MarFewer than 200 measured departures—125125
AprFewer than 200 measured departures—120120
MayFewer than 200 measured departures—124124
JunFewer than 200 measured departures—119120
JulFewer than 200 measured departures—124124
AugFewer than 200 measured departures—6262
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—130130
NovFewer than 200 measured departures—129132
DecFewer than 200 measured departures—134134

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 75.5% 1,034
  • Delayed >15 min 24.1% 330
  • Cancelled 0.4% 6
  • 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

15
15 of 15
Flight numbersBy direction DeparturesOn time
WN1057 HOU → OAK 101 68.0%
WN185 OAK → HOU 99 92.9%
WN2959 HOU → OAK 64 54.0%
WN2102 OAK → HOU 58 96.6%
WN2161 HOU → OAK 57 86.0%
WN1747 OAK → HOU 52 75.0%
WN595 HOU → OAK 50 58.0%
WN3003 OAK → HOU 46 97.7%
WN1155 OAK → HOU 42 92.9%
WN3504 HOU → OAK 42 78.6%
WN2067 HOU → OAK 34 48.5%
WN1376 OAK → HOU 33 100.0%
WN2035 HOU → OAK 33 57.6%
WN4669 HOU → OAK 33 66.7%
WN2790 OAK → HOU 31 74.2%

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 +0.0% 0 51.6%
June 2026 60 +1.7% 0 55.0%
May 2026 62 +0.0% 0 85.5%
April 2026 60 +0.0% 0 83.3%
March 2026 63 +1.6% 0 81.0%
February 2026 56 +0.0% 0 83.9%
January 2026 64 +4.9% 0 87.5%
December 2025 66 −2.9% 0 69.7%
November 2025 63 −4.5% 3 73.0%
October 2025 70 +16.7% 0 75.7%
September 2025 60 0 78.3%
August 2025 62 0 69.4%
July 2025 62 0 62.9%
June 2025 59 1 62.7%
May 2025 62 0 85.5%
April 2025 60 0 83.3%
March 2025 62 0 80.6%
February 2025 56 0 75.0%
January 2025 61 2 85.2%
December 2024 68 0 73.5%
November 2024 66 0 84.8%
October 2024 60 0 80.0%

How to read this chart

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