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1,953 km · Domestic

William P. Hobby (HOU) – Salt Lake City (SLC)

In July 2026, 75 flights operated between William P. Hobby and Salt Lake City (both directions), and 72.0% 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
January6570▲ 7.7%
February64640.0%
March8078▼ 2.5%
April64640.0%
May62620.0%
June76760.0%
July7875▼ 3.8%
August72––
September68––
October62–in progress
November61––
December62––
Year to date (Jan–Jul)4894890.0%

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
January83.1%90.0%▲ 8.3%
February85.9%82.8%▼ 3.6%
March78.8%62.8%▼ 20.3%
April78.1%73.4%▼ 6.0%
May75.8%71.0%▼ 6.3%
June77.6%60.5%▼ 22.0%
July74.4%72.0%▼ 3.2%
August83.3%––
September94.1%––
October90.3%–in progress
November91.8%––
December90.3%––
Year-to-date average (Jan–Jul)79.1%73.2%▼ 7.4%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January30▼ 100.0%
February00–
March01–
April00–
May00–
June00–
July01–
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)32▼ 33.3%

By direction

HOU → SLC

Scheduled flights
736
Flights operated
732
Cancelled
4 · 0.5%
On-time departures
78.3%

SLC → HOU

Scheduled flights
735
Flights operated
733
Cancelled
2 · 0.3%
On-time departures
80.8%

HOU → SLC and SLC → HOU counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,471 100.0% 79.5% 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 delay11:00–12:008.8min · 214 recorded · 214 measured
Recorded flights1,471HOU–SLC

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 · Fewer than 200 measured departures · 156 recorded · 155 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 82 recorded · 82 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 45 recorded · 45 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 192 recorded · 190 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 94 recorded · 92 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 17 recorded · 17 measured · Source: the US BTS 11:00 · 78.0% · 214 recorded · 214 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 138 recorded · 138 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 145 recorded · 144 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 189 recorded · 189 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 104 recorded · 104 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 9 recorded · 9 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 9 recorded · 9 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 14 recorded · 14 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 17 recorded · 17 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 · Fewer than 200 measured departures · 156 recorded · 155 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 82 recorded · 82 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 45 recorded · 45 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 192 recorded · 190 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 94 recorded · 92 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 17 recorded · 17 measured · Source: the US BTS 11:00 · 8.8 min · 214 recorded · 214 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 138 recorded · 138 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 145 recorded · 144 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 189 recorded · 189 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 104 recorded · 104 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 9 recorded · 9 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 9 recorded · 9 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 14 recorded · 14 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 17 recorded · 17 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 · 156 · 156 recorded · 155 measured · Source: the US BTS 06:00 · 82 · 82 recorded · 82 measured · Source: the US BTS 07:00 · 45 · 45 recorded · 45 measured · Source: the US BTS 08:00 · 192 · 192 recorded · 190 measured · Source: the US BTS 09:00 · 94 · 94 recorded · 92 measured · Source: the US BTS 10:00 · 17 · 17 recorded · 17 measured · Source: the US BTS 11:00 · 214 · 214 recorded · 214 measured · Source: the US BTS 12:00 · 138 · 138 recorded · 138 measured · Source: the US BTS 13:00 · 145 · 145 recorded · 144 measured · Source: the US BTS 14:00 · 189 · 189 recorded · 189 measured · Source: the US BTS 15:00 · 104 · 104 recorded · 104 measured · Source: the US BTS 16:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 17:00 · 9 · 9 recorded · 9 measured · Source: the US BTS 18:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 19:00 · 9 · 9 recorded · 9 measured · Source: the US BTS 20:00 · 14 · 14 recorded · 14 measured · Source: the US BTS 21:00 · 4 · 4 recorded · 4 measured · Source: the US BTS 22:00 · 17 · 17 recorded · 17 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———
05:00Fewer than 200 measured departures—155156
06:00Fewer than 200 measured departures—8282
07:00Fewer than 200 measured departures—4545
08:00Fewer than 200 measured departures—190192
09:00Fewer than 200 measured departures—9294
10:00Fewer than 200 measured departures—1717
11:0078.0%8.8 min214214
12:00Fewer than 200 measured departures—138138
13:00Fewer than 200 measured departures—144145
14:00Fewer than 200 measured departures—189189
15:00Fewer than 200 measured departures—104104
16:00Fewer than 200 measured departures—2121
17:00Fewer than 200 measured departures—99
18:00Fewer than 200 measured departures—2121
19:00Fewer than 200 measured departures—99
20:00Fewer than 200 measured departures—1414
21:00Fewer than 200 measured departures—44
22:00Fewer than 200 measured departures—1717
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 · 188 recorded · 188 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 188 recorded · 184 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 188 recorded · 187 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 188 recorded · 188 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 188 recorded · 188 measured · Source: the US BTS Saturday · 76.5% · 273 recorded · 272 measured · Source: the US BTS Sunday · 82.2% · 258 recorded · 258 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 · 188 recorded · 188 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 188 recorded · 184 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 188 recorded · 187 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 188 recorded · 188 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 188 recorded · 188 measured · Source: the US BTS Saturday · 11.6 min · 273 recorded · 272 measured · Source: the US BTS Sunday · 7.7 min · 258 recorded · 258 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 · 188 · 188 recorded · 188 measured · Source: the US BTS Tuesday · 188 · 188 recorded · 184 measured · Source: the US BTS Wednesday · 188 · 188 recorded · 187 measured · Source: the US BTS Thursday · 188 · 188 recorded · 188 measured · Source: the US BTS Friday · 188 · 188 recorded · 188 measured · Source: the US BTS Saturday · 273 · 273 recorded · 272 measured · Source: the US BTS Sunday · 258 · 258 recorded · 258 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—188188
TuesdayFewer than 200 measured departures—184188
WednesdayFewer than 200 measured departures—187188
ThursdayFewer than 200 measured departures—188188
FridayFewer than 200 measured departures—188188
Saturday76.5%11.6 min272273
Sunday82.2%7.7 min258258

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 · 138 · 138 recorded · 135 measured · Source: the US BTS Feb · 128 · 128 recorded · 128 measured · Source: the US BTS Mar · 159 · 159 recorded · 158 measured · Source: the US BTS Apr · 128 · 128 recorded · 128 measured · Source: the US BTS May · 124 · 124 recorded · 124 measured · Source: the US BTS Jun · 152 · 152 recorded · 152 measured · Source: the US BTS Jul · 154 · 154 recorded · 153 measured · Source: the US BTS Aug · 72 · 72 recorded · 72 measured · Source: the US BTS Sep · 68 · 68 recorded · 68 measured · Source: the US BTS Oct · 102 · 102 recorded · 102 measured · Source: the US BTS Nov · 122 · 122 recorded · 121 measured · Source: the US BTS Dec · 124 · 124 recorded · 124 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—135138
FebFewer than 200 measured departures—128128
MarFewer than 200 measured departures—158159
AprFewer than 200 measured departures—128128
MayFewer than 200 measured departures—124124
JunFewer than 200 measured departures—152152
JulFewer than 200 measured departures—153154
AugFewer than 200 measured departures—7272
SepFewer than 200 measured departures—6868
OctFewer than 200 measured departures—102102
NovFewer than 200 measured departures—121122
DecFewer than 200 measured departures—124124

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 79.2% 1,165
  • Delayed >15 min 20.4% 300
  • 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

18
18 of 18
Flight numbersBy direction DeparturesOn time
WN1968 SLC → HOU 63 93.6%
WN1169 HOU → SLC 62 91.7%
WN4758 HOU → SLC 61 70.5%
WN1077 HOU → SLC 58 74.1%
WN4526 SLC → HOU 58 82.8%
WN3214 SLC → HOU 49 71.4%
WN3068 SLC → HOU 47 93.6%
WN2776 HOU → SLC 46 91.3%
WN2585 SLC → HOU 45 66.7%
WN1712 SLC → HOU 43 85.7%
WN2536 SLC → HOU 34 94.1%
WN1600 HOU → SLC 33 75.0%
WN1900 HOU → SLC 33 84.9%
WN3616 HOU → SLC 33 93.9%
WN704 SLC → HOU 33 57.6%
WN2524 SLC → HOU 32 87.5%
WN2419 HOU → SLC 31 77.4%
WN2478 HOU → SLC 31 87.1%

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 75 −3.8% 1 72.0%
June 2026 76 +0.0% 0 60.5%
May 2026 62 +0.0% 0 71.0%
April 2026 64 +0.0% 0 73.4%
March 2026 78 −2.5% 1 62.8%
February 2026 64 +0.0% 0 82.8%
January 2026 70 +7.7% 0 90.0%
December 2025 62 +0.0% 0 90.3%
November 2025 61 +1.7% 1 91.8%
October 2025 62 +55.0% 0 90.3%
September 2025 68 0 94.1%
August 2025 72 0 83.3%
July 2025 78 0 74.4%
June 2025 76 0 77.6%
May 2025 62 0 75.8%
April 2025 64 0 78.1%
March 2025 80 0 78.8%
February 2025 64 0 85.9%
January 2025 65 3 83.1%
December 2024 62 0 75.8%
November 2024 60 0 81.7%
October 2024 40 0 87.5%

How to read this chart

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