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1,688 km · Domestic

William P. Hobby (HOU) – Raleigh-Durham (RDU)

In July 2026, 62 flights operated between William P. Hobby and Raleigh-Durham (both directions), and 71.0% 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
January53530.0%
February5254▲ 3.8%
March6252▼ 16.1%
April6064▲ 6.7%
May6170▲ 14.8%
June60600.0%
July62620.0%
August46––
September42––
October68–in progress
November66––
December66––
Year to date (Jan–Jul)410415▲ 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
January86.8%88.7%▲ 2.2%
February84.6%72.2%▼ 14.7%
March87.1%69.2%▼ 20.6%
April78.3%68.8%▼ 12.1%
May77.0%64.3%▼ 16.5%
June63.3%73.3%▲ 15.8%
July69.4%71.0%▲ 2.3%
August82.6%––
September85.7%––
October72.1%–in progress
November83.3%––
December77.3%––
Year-to-date average (Jan–Jul)78.1%72.5%▼ 7.1%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January53▼ 40.0%
February00–
March02–
April00–
May10▼ 100.0%
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)65▼ 16.7%

By direction

HOU → RDU

Scheduled flights
650
Flights operated
646
Cancelled
4 · 0.6%
On-time departures
74.6%

RDU → HOU

Scheduled flights
650
Flights operated
643
Cancelled
7 · 1.1%
On-time departures
79.0%

HOU → RDU and RDU → HOU counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,300 100.0% 76.8% 11

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 flights1,300HOU–RDU

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 · 62 · 62 recorded · 62 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 6 · 6 recorded · 6 measured · Source: the US BTS 08:00 · 57 · 57 recorded · 54 measured · Source: the US BTS 09:00 · 8 · 8 recorded · 8 measured · Source: the US BTS 10:00 · 123 · 123 recorded · 122 measured · Source: the US BTS 11:00 · 180 · 180 recorded · 178 measured · Source: the US BTS 12:00 · 24 · 24 recorded · 24 measured · Source: the US BTS 13:00 · 87 · 87 recorded · 87 measured · Source: the US BTS 14:00 · 197 · 197 recorded · 197 measured · Source: the US BTS 15:00 · 139 · 139 recorded · 138 measured · Source: the US BTS 16:00 · 90 · 90 recorded · 90 measured · Source: the US BTS 17:00 · 129 · 129 recorded · 129 measured · Source: the US BTS 18:00 · 90 · 90 recorded · 87 measured · Source: the US BTS 19:00 · 81 · 81 recorded · 81 measured · Source: the US BTS 20:00 · 27 · 27 recorded · 26 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———
05:00Fewer than 200 measured departures—6262
06:00No observations———
07:00Fewer than 200 measured departures—66
08:00Fewer than 200 measured departures—5457
09:00Fewer than 200 measured departures—88
10:00Fewer than 200 measured departures—122123
11:00Fewer than 200 measured departures—178180
12:00Fewer than 200 measured departures—2424
13:00Fewer than 200 measured departures—8787
14:00Fewer than 200 measured departures—197197
15:00Fewer than 200 measured departures—138139
16:00Fewer than 200 measured departures—9090
17:00Fewer than 200 measured departures—129129
18:00Fewer than 200 measured departures—8790
19:00Fewer than 200 measured departures—8181
20:00Fewer than 200 measured departures—2627
21:00No observations———
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 · 188 recorded · 187 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 170 recorded · 168 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 170 recorded · 168 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 188 recorded · 187 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 188 recorded · 187 measured · Source: the US BTS Saturday · Fewer than 200 measured departures · 178 recorded · 178 measured · Source: the US BTS Sunday · 78.0% · 218 recorded · 214 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 · 187 measured · Source: the US BTS Tuesday · Fewer than 200 measured departures · 170 recorded · 168 measured · Source: the US BTS Wednesday · Fewer than 200 measured departures · 170 recorded · 168 measured · Source: the US BTS Thursday · Fewer than 200 measured departures · 188 recorded · 187 measured · Source: the US BTS Friday · Fewer than 200 measured departures · 188 recorded · 187 measured · Source: the US BTS Saturday · Fewer than 200 measured departures · 178 recorded · 178 measured · Source: the US BTS Sunday · 11.4 min · 218 recorded · 214 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 · 187 measured · Source: the US BTS Tuesday · 170 · 170 recorded · 168 measured · Source: the US BTS Wednesday · 170 · 170 recorded · 168 measured · Source: the US BTS Thursday · 188 · 188 recorded · 187 measured · Source: the US BTS Friday · 188 · 188 recorded · 187 measured · Source: the US BTS Saturday · 178 · 178 recorded · 178 measured · Source: the US BTS Sunday · 218 · 218 recorded · 214 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—187188
TuesdayFewer than 200 measured departures—168170
WednesdayFewer than 200 measured departures—168170
ThursdayFewer than 200 measured departures—187188
FridayFewer than 200 measured departures—187188
SaturdayFewer than 200 measured departures—178178
Sunday78.0%11.4 min214218

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 · 114 · 114 recorded · 106 measured · Source: the US BTS Feb · 106 · 106 recorded · 106 measured · Source: the US BTS Mar · 116 · 116 recorded · 114 measured · Source: the US BTS Apr · 124 · 124 recorded · 124 measured · Source: the US BTS May · 132 · 132 recorded · 131 measured · Source: the US BTS Jun · 120 · 120 recorded · 120 measured · Source: the US BTS Jul · 124 · 124 recorded · 124 measured · Source: the US BTS Aug · 46 · 46 recorded · 46 measured · Source: the US BTS Sep · 42 · 42 recorded · 42 measured · Source: the US BTS Oct · 114 · 114 recorded · 114 measured · Source: the US BTS Nov · 130 · 130 recorded · 130 measured · Source: the US BTS Dec · 132 · 132 recorded · 132 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—106114
FebFewer than 200 measured departures—106106
MarFewer than 200 measured departures—114116
AprFewer than 200 measured departures—124124
MayFewer than 200 measured departures—131132
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—124124
AugFewer than 200 measured departures—4646
SepFewer than 200 measured departures—4242
OctFewer than 200 measured departures—114114
NovFewer than 200 measured departures—130130
DecFewer than 200 measured departures—132132

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 76.2% 990
  • Delayed >15 min 23.0% 299
  • Cancelled 0.8% 11
  • 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

17
17 of 17
Flight numbersBy direction DeparturesOn time
WN3131 HOU → RDU 66 77.3%
WN543 HOU → RDU 65 78.5%
WN4178 RDU → HOU 64 82.8%
WN3241 HOU → RDU 61 60.7%
WN3973 RDU → HOU 58 82.5%
WN1388 HOU → RDU 57 73.7%
WN2674 RDU → HOU 57 56.1%
WN3310 RDU → HOU 53 72.6%
WN3886 RDU → HOU 52 92.3%
WN4411 HOU → RDU 50 60.0%
WN2053 RDU → HOU 45 86.7%
WN1891 RDU → HOU 40 92.5%
WN4771 RDU → HOU 34 97.1%
WN2281 HOU → RDU 33 81.8%
WN3091 RDU → HOU 33 78.8%
WN259 RDU → HOU 31 77.4%
WN3050 HOU → RDU 31 71.0%

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 +0.0% 0 71.0%
June 2026 60 +0.0% 0 73.3%
May 2026 70 +14.8% 0 64.3%
April 2026 64 +6.7% 0 68.8%
March 2026 52 −16.1% 2 69.2%
February 2026 54 +3.8% 0 72.2%
January 2026 53 +0.0% 3 88.7%
December 2025 66 +0.0% 0 77.3%
November 2025 66 +3.1% 0 83.3%
October 2025 68 +47.8% 0 72.1%
September 2025 42 0 85.7%
August 2025 46 0 82.6%
July 2025 62 0 69.4%
June 2025 60 0 63.3%
May 2025 61 1 77.0%
April 2025 60 0 78.3%
March 2025 62 0 87.1%
February 2025 52 0 84.6%
January 2025 53 5 86.8%
December 2024 66 0 71.2%
November 2024 64 0 93.8%
October 2024 46 0 78.3%

How to read this chart

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