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1,820 km · Domestic

William P. Hobby (HOU) – Pittsburgh (PIT)

In July 2026, 60 flights operated between William P. Hobby and Pittsburgh (both directions), and 51.7% 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
January2218▼ 18.2%
February3436▲ 5.9%
March50500.0%
April58580.0%
May5961▲ 3.4%
June60600.0%
July6260▼ 3.2%
August54––
September52––
October60–in progress
November58––
December62––
Year to date (Jan–Jul)345343▼ 0.6%

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
January81.8%77.8%▼ 4.9%
February70.6%80.6%▲ 14.2%
March68.0%68.0%0.0%
April77.6%84.5%▲ 8.9%
May76.3%65.6%▼ 14.0%
June63.3%60.0%▼ 5.2%
July77.4%51.7%▼ 33.2%
August79.6%––
September82.7%––
October80.0%–in progress
November81.0%––
December82.3%––
Year-to-date average (Jan–Jul)73.6%69.7%▼ 5.2%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January02–
February00–
March00–
April00–
May110.0%
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)13▲ 200.0%

By direction

HOU → PIT

Scheduled flights
561
Flights operated
559
Cancelled
2 · 0.4%
On-time departures
73.5%

PIT → HOU

Scheduled flights
561
Flights operated
559
Cancelled
2 · 0.4%
On-time departures
73.7%

HOU → PIT and PIT → HOU counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,122 100.0% 73.6% 4

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 13, 2024 → Jul 31, 2026

Lowest average delay17:00–18:0018.7min · 212 recorded · 211 measured
Recorded flights1,122HOU–PIT

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———
05:00Fewer than 200 measured departures—2323
06:00Fewer than 200 measured departures—11
07:00Fewer than 200 measured departures—88
08:00Fewer than 200 measured departures—55
09:00Fewer than 200 measured departures—99
10:00Fewer than 200 measured departures—8889
11:00Fewer than 200 measured departures—4444
12:00Fewer than 200 measured departures—154154
13:00Fewer than 200 measured departures—147147
14:00Fewer than 200 measured departures—8080
15:00Fewer than 200 measured departures—100101
16:00Fewer than 200 measured departures—2424
17:0070.6%18.7 min211212
18:00Fewer than 200 measured departures—138139
19:00Fewer than 200 measured departures—8686
20:00No observations———
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

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—176176
TuesdayFewer than 200 measured departures—156156
WednesdayFewer than 200 measured departures—152152
ThursdayFewer than 200 measured departures—172172
FridayFewer than 200 measured departures—172174
SaturdayFewer than 200 measured departures—114114
SundayFewer than 200 measured departures—176178

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

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—4042
FebFewer than 200 measured departures—7070
MarFewer than 200 measured departures—100100
AprFewer than 200 measured departures—116116
MayFewer than 200 measured departures—120122
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—122122
AugFewer than 200 measured departures—5454
SepFewer than 200 measured departures—5252
OctFewer than 200 measured departures—9494
NovFewer than 200 measured departures—110110
DecFewer than 200 measured departures—120120

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 73.4% 823
  • Delayed >15 min 26.3% 295
  • Cancelled 0.4% 4
  • 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
WN4160 PIT → HOU 63 85.7%
WN1603 HOU → PIT 61 70.5%
WN1865 PIT → HOU 60 61.7%
WN2797 HOU → PIT 57 82.1%
WN3934 PIT → HOU 57 68.4%
WN4001 PIT → HOU 57 85.7%
WN1866 HOU → PIT 50 68.0%
WN4129 PIT → HOU 50 96.0%
WN2436 HOU → PIT 49 71.4%
WN645 HOU → PIT 46 71.7%
WN1412 PIT → HOU 42 64.3%
WN3975 HOU → PIT 30 76.7%

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 60 −3.2% 0 51.7%
June 2026 60 +0.0% 0 60.0%
May 2026 61 +3.4% 1 65.6%
April 2026 58 +0.0% 0 84.5%
March 2026 50 +0.0% 0 68.0%
February 2026 36 +5.9% 0 80.6%
January 2026 18 −18.2% 2 77.8%
December 2025 62 +6.9% 0 82.3%
November 2025 58 +11.5% 0 81.0%
October 2025 60 +76.5% 0 80.0%
September 2025 52 0 82.7%
August 2025 54 0 79.6%
July 2025 62 0 77.4%
June 2025 60 0 63.3%
May 2025 59 1 76.3%
April 2025 58 0 77.6%
March 2025 50 0 68.0%
February 2025 34 0 70.6%
January 2025 22 0 81.8%
December 2024 58 0 56.9%
November 2024 52 0 86.5%
October 2024 34 0 82.4%

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