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485 km · Domestic

William P. Hobby (HOU) – Louis Armstrong New Orleans (MSY)

In July 2026, 397 flights operated between William P. Hobby and Louis Armstrong New Orleans (both directions), and 72.5% 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
January333367▲ 10.2%
February369371▲ 0.5%
March399394▼ 1.3%
April397385▼ 3.0%
May409386▼ 5.6%
June357384▲ 7.6%
July359397▲ 10.6%
August355––
September352––
October411–in progress
November392––
December381––
Year to date (Jan–Jul)2,6232,684▲ 2.3%

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
January85.0%86.1%▲ 1.3%
February83.7%84.9%▲ 1.4%
March83.0%65.0%▼ 21.7%
April81.4%80.8%▼ 0.7%
May76.3%66.3%▼ 13.1%
June67.2%72.1%▲ 7.3%
July72.1%72.5%▲ 0.6%
August81.7%––
September86.6%––
October78.1%–in progress
November83.2%––
December77.4%––
Year-to-date average (Jan–Jul)78.4%75.4%▼ 3.8%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January383▼ 92.1%
February01–
March16▲ 500.0%
April21▼ 50.0%
May110.0%
June30▼ 100.0%
July13▲ 200.0%
August0––
September0––
October0–in progress
November1––
December3––
Year to date (Jan–Jul)4615▼ 67.4%

By direction

HOU → MSY

Scheduled flights
4,133
Flights operated
4,106
Cancelled
27 · 0.7%
On-time departures
80.6%

MSY → HOU

Scheduled flights
4,134
Flights operated
4,092
Cancelled
42 · 1.0%
On-time departures
76.8%

HOU → MSY and MSY → HOU counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 8,267 100.0% 78.7% 69

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 delay07:00–08:00-1.8min · 362 recorded · 358 measured
Gap to highest-delay hour22.0min07:00 ↔ 17:00
Recorded flights8,267HOU–MSY

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 · 95.0% · 458 recorded · 455 measured · Source: the US BTS 06:00 · 95.9% · 512 recorded · 506 measured · Source: the US BTS 07:00 · 96.7% · 362 recorded · 358 measured · Source: the US BTS 08:00 · 91.5% · 890 recorded · 883 measured · Source: the US BTS 09:00 · 91.6% · 324 recorded · 321 measured · Source: the US BTS 10:00 · 87.9% · 440 recorded · 439 measured · Source: the US BTS 11:00 · 83.6% · 566 recorded · 555 measured · Source: the US BTS 12:00 · 73.8% · 399 recorded · 397 measured · Source: the US BTS 13:00 · 78.5% · 312 recorded · 307 measured · Source: the US BTS 14:00 · 70.1% · 625 recorded · 622 measured · Source: the US BTS 15:00 · 71.8% · 447 recorded · 446 measured · Source: the US BTS 16:00 · 66.2% · 356 recorded · 352 measured · Source: the US BTS 17:00 · 67.2% · 447 recorded · 445 measured · Source: the US BTS 18:00 · 65.6% · 655 recorded · 649 measured · Source: the US BTS 19:00 · 65.2% · 303 recorded · 302 measured · Source: the US BTS 20:00 · 69.2% · 682 recorded · 675 measured · Source: the US BTS 21:00 · 66.6% · 285 recorded · 284 measured · Source: the US BTS 22:00 · 67.8% · 204 recorded · 202 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 · 1.0 min · 458 recorded · 455 measured · Source: the US BTS 06:00 · -0.9 min · 512 recorded · 506 measured · Source: the US BTS 07:00 · -1.8 min · 362 recorded · 358 measured · Source: the US BTS 08:00 · 1.9 min · 890 recorded · 883 measured · Source: the US BTS 09:00 · 2.7 min · 324 recorded · 321 measured · Source: the US BTS 10:00 · 4.8 min · 440 recorded · 439 measured · Source: the US BTS 11:00 · 8.5 min · 566 recorded · 555 measured · Source: the US BTS 12:00 · 15.0 min · 399 recorded · 397 measured · Source: the US BTS 13:00 · 10.3 min · 312 recorded · 307 measured · Source: the US BTS 14:00 · 16.0 min · 625 recorded · 622 measured · Source: the US BTS 15:00 · 14.5 min · 447 recorded · 446 measured · Source: the US BTS 16:00 · 18.2 min · 356 recorded · 352 measured · Source: the US BTS 17:00 · 20.2 min · 447 recorded · 445 measured · Source: the US BTS 18:00 · 17.6 min · 655 recorded · 649 measured · Source: the US BTS 19:00 · 18.5 min · 303 recorded · 302 measured · Source: the US BTS 20:00 · 15.8 min · 682 recorded · 675 measured · Source: the US BTS 21:00 · 18.2 min · 285 recorded · 284 measured · Source: the US BTS 22:00 · 15.9 min · 204 recorded · 202 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 · 458 · 458 recorded · 455 measured · Source: the US BTS 06:00 · 512 · 512 recorded · 506 measured · Source: the US BTS 07:00 · 362 · 362 recorded · 358 measured · Source: the US BTS 08:00 · 890 · 890 recorded · 883 measured · Source: the US BTS 09:00 · 324 · 324 recorded · 321 measured · Source: the US BTS 10:00 · 440 · 440 recorded · 439 measured · Source: the US BTS 11:00 · 566 · 566 recorded · 555 measured · Source: the US BTS 12:00 · 399 · 399 recorded · 397 measured · Source: the US BTS 13:00 · 312 · 312 recorded · 307 measured · Source: the US BTS 14:00 · 625 · 625 recorded · 622 measured · Source: the US BTS 15:00 · 447 · 447 recorded · 446 measured · Source: the US BTS 16:00 · 356 · 356 recorded · 352 measured · Source: the US BTS 17:00 · 447 · 447 recorded · 445 measured · Source: the US BTS 18:00 · 655 · 655 recorded · 649 measured · Source: the US BTS 19:00 · 303 · 303 recorded · 302 measured · Source: the US BTS 20:00 · 682 · 682 recorded · 675 measured · Source: the US BTS 21:00 · 285 · 285 recorded · 284 measured · Source: the US BTS 22:00 · 204 · 204 recorded · 202 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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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———
05:0095.0%1.0 min455458
06:0095.9%-0.9 min506512
07:0096.7%-1.8 min358362
08:0091.5%1.9 min883890
09:0091.6%2.7 min321324
10:0087.9%4.8 min439440
11:0083.6%8.5 min555566
12:0073.8%15.0 min397399
13:0078.5%10.3 min307312
14:0070.1%16.0 min622625
15:0071.8%14.5 min446447
16:0066.2%18.2 min352356
17:0067.2%20.2 min445447
18:0065.6%17.6 min649655
19:0065.2%18.5 min302303
20:0069.2%15.8 min675682
21:0066.6%18.2 min284285
22:0067.8%15.9 min202204
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 75.7% · 1,250 recorded · 1,238 measured · Source: the US BTS Tuesday · 86.6% · 1,180 recorded · 1,165 measured · Source: the US BTS Wednesday · 84.5% · 1,178 recorded · 1,166 measured · Source: the US BTS Thursday · 76.7% · 1,248 recorded · 1,234 measured · Source: the US BTS Friday · 75.6% · 1,251 recorded · 1,247 measured · Source: the US BTS Saturday · 79.5% · 932 recorded · 928 measured · Source: the US BTS Sunday · 73.3% · 1,228 recorded · 1,220 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 · 13.1 min · 1,250 recorded · 1,238 measured · Source: the US BTS Tuesday · 5.3 min · 1,180 recorded · 1,165 measured · Source: the US BTS Wednesday · 6.8 min · 1,178 recorded · 1,166 measured · Source: the US BTS Thursday · 11.6 min · 1,248 recorded · 1,234 measured · Source: the US BTS Friday · 12.3 min · 1,251 recorded · 1,247 measured · Source: the US BTS Saturday · 10.5 min · 932 recorded · 928 measured · Source: the US BTS Sunday · 13.1 min · 1,228 recorded · 1,220 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 · 1,250 · 1,250 recorded · 1,238 measured · Source: the US BTS Tuesday · 1,180 · 1,180 recorded · 1,165 measured · Source: the US BTS Wednesday · 1,178 · 1,178 recorded · 1,166 measured · Source: the US BTS Thursday · 1,248 · 1,248 recorded · 1,234 measured · Source: the US BTS Friday · 1,251 · 1,251 recorded · 1,247 measured · Source: the US BTS Saturday · 932 · 932 recorded · 928 measured · Source: the US BTS Sunday · 1,228 · 1,228 recorded · 1,220 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday75.7%13.1 min1,2381,250
Tuesday86.6%5.3 min1,1651,180
Wednesday84.5%6.8 min1,1661,178
Thursday76.7%11.6 min1,2341,248
Friday75.6%12.3 min1,2471,251
Saturday79.5%10.5 min928932
Sunday73.3%13.1 min1,2201,228

Month of year

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

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · 85.6% · 741 recorded · 700 measured · Source: the US BTS Feb · 84.3% · 741 recorded · 740 measured · Source: the US BTS Mar · 74.0% · 800 recorded · 793 measured · Source: the US BTS Apr · 81.1% · 785 recorded · 782 measured · Source: the US BTS May · 71.5% · 797 recorded · 795 measured · Source: the US BTS Jun · 69.8% · 744 recorded · 741 measured · Source: the US BTS Jul · 72.4% · 760 recorded · 756 measured · Source: the US BTS Aug · 81.7% · 355 recorded · 355 measured · Source: the US BTS Sep · 86.7% · 352 recorded · 352 measured · Source: the US BTS Oct · 80.8% · 668 recorded · 666 measured · Source: the US BTS Nov · 85.5% · 768 recorded · 766 measured · Source: the US BTS Dec · 78.3% · 756 recorded · 752 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
Jan · 4.4 min · 741 recorded · 700 measured · Source: the US BTS Feb · 5.7 min · 741 recorded · 740 measured · Source: the US BTS Mar · 12.5 min · 800 recorded · 793 measured · Source: the US BTS Apr · 9.0 min · 785 recorded · 782 measured · Source: the US BTS May · 14.9 min · 797 recorded · 795 measured · Source: the US BTS Jun · 18.0 min · 744 recorded · 741 measured · Source: the US BTS Jul · 16.4 min · 760 recorded · 756 measured · Source: the US BTS Aug · 9.1 min · 355 recorded · 355 measured · Source: the US BTS Sep · 3.8 min · 352 recorded · 352 measured · Source: the US BTS Oct · 9.2 min · 668 recorded · 666 measured · Source: the US BTS Nov · 6.6 min · 768 recorded · 766 measured · Source: the US BTS Dec · 10.9 min · 756 recorded · 752 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
Jan · 741 · 741 recorded · 700 measured · Source: the US BTS Feb · 741 · 741 recorded · 740 measured · Source: the US BTS Mar · 800 · 800 recorded · 793 measured · Source: the US BTS Apr · 785 · 785 recorded · 782 measured · Source: the US BTS May · 797 · 797 recorded · 795 measured · Source: the US BTS Jun · 744 · 744 recorded · 741 measured · Source: the US BTS Jul · 760 · 760 recorded · 756 measured · Source: the US BTS Aug · 355 · 355 recorded · 355 measured · Source: the US BTS Sep · 352 · 352 recorded · 352 measured · Source: the US BTS Oct · 668 · 668 recorded · 666 measured · Source: the US BTS Nov · 768 · 768 recorded · 766 measured · Source: the US BTS Dec · 756 · 756 recorded · 752 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan85.6%4.4 min700741
Feb84.3%5.7 min740741
Mar74.0%12.5 min793800
Apr81.1%9.0 min782785
May71.5%14.9 min795797
Jun69.8%18.0 min741744
Jul72.4%16.4 min756760
Aug81.7%9.1 min355355
Sep86.7%3.8 min352352
Oct80.8%9.2 min666668
Nov85.5%6.6 min766768
Dec78.3%10.9 min752756

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 78.1% 6,453
  • Delayed >15 min 21.1% 1,745
  • Cancelled 0.8% 69
  • 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

110
110 of 110
Flight numbersBy direction DeparturesOn time
WN3349 MSY → HOU 122 68.3%
WN470 MSY → HOU 118 92.2%
WN1998 HOU → MSY 109 92.5%
WN4290 HOU → MSY 109 91.5%
WN2276 MSY → HOU 107 85.2%
WN1378 HOU → MSY 102 89.9%
WN2942 HOU → MSY 101 82.8%
WN2387 MSY → HOU 84 72.0%
WN1759 MSY → HOU 66 48.5%
WN2469 HOU → MSY 64 71.9%
WN2602 MSY → HOU 64 96.8%
WN553 MSY → HOU 64 79.7%
WN951 MSY → HOU 64 96.7%
WN2639 HOU → MSY 61 45.9%
WN3083 MSY → HOU 61 96.7%
WN724 MSY → HOU 61 86.9%
WN4012 MSY → HOU 60 42.4%
WN2947 HOU → MSY 59 98.3%
WN1383 MSY → HOU 58 84.5%
WN1493 HOU → MSY 58 70.7%
WN1642 HOU → MSY 58 94.8%
WN1722 HOU → MSY 58 79.3%
WN1810 MSY → HOU 58 43.9%
WN2029 MSY → HOU 58 79.3%
WN2991 MSY → HOU 58 87.9%
WN309 HOU → MSY 58 96.6%
WN4792 HOU → MSY 58 91.4%
WN1429 MSY → HOU 57 63.2%
WN2272 HOU → MSY 57 82.5%
WN2429 HOU → MSY 57 75.4%
WN3242 HOU → MSY 57 89.5%
WN4480 MSY → HOU 57 75.4%
WN4547 MSY → HOU 57 91.2%
WN1442 MSY → HOU 56 75.0%
WN3494 MSY → HOU 56 92.9%
WN3845 MSY → HOU 56 87.5%
WN1415 MSY → HOU 55 69.1%
WN1915 HOU → MSY 55 96.4%
WN2384 HOU → MSY 55 60.0%
WN1919 HOU → MSY 53 83.0%
WN1821 MSY → HOU 52 50.0%
WN1921 HOU → MSY 52 88.5%
WN2975 HOU → MSY 52 89.6%
WN4011 MSY → HOU 51 64.7%
WN2381 HOU → MSY 50 82.0%
WN2972 MSY → HOU 50 52.0%
WN2998 MSY → HOU 50 60.0%
WN4625 HOU → MSY 50 62.0%
WN4756 HOU → MSY 50 60.0%
WN547 MSY → HOU 50 96.0%
WN2051 HOU → MSY 49 85.7%
WN3822 MSY → HOU 49 85.7%
WN1569 MSY → HOU 47 83.0%
WN3467 HOU → MSY 47 85.1%
WN982 HOU → MSY 47 93.6%
WN222 MSY → HOU 46 73.3%
WN2279 HOU → MSY 46 93.5%
WN2416 HOU → MSY 46 89.1%
WN2894 MSY → HOU 46 80.4%
WN3117 HOU → MSY 45 84.1%
WN2871 MSY → HOU 44 90.9%
WN2953 HOU → MSY 44 72.7%
WN958 HOU → MSY 44 65.9%
WN3124 HOU → MSY 43 76.7%
WN1256 HOU → MSY 42 71.4%
WN1626 MSY → HOU 42 92.9%
WN1850 HOU → MSY 42 76.2%
WN2049 HOU → MSY 42 95.2%
WN265 HOU → MSY 42 97.6%
WN2866 MSY → HOU 42 92.9%
WN2995 MSY → HOU 42 90.5%
WN4662 MSY → HOU 42 71.4%
WN544 HOU → MSY 42 95.1%
WN581 HOU → MSY 42 92.9%
WN679 MSY → HOU 42 97.6%
WN925 MSY → HOU 42 100.0%
WN934 MSY → HOU 42 90.5%
WN162 MSY → HOU 41 53.7%
WN1967 HOU → MSY 40 64.1%
WN2767 MSY → HOU 40 55.0%
WN3987 HOU → MSY 40 52.5%
WN4268 MSY → HOU 40 86.8%
WN167 HOU → MSY 39 69.2%
WN2874 MSY → HOU 39 87.2%
WN3080 MSY → HOU 38 92.1%
WN1556 MSY → HOU 37 88.9%
WN4774 MSY → HOU 36 63.9%
WN1533 HOU → MSY 34 82.4%
WN1796 HOU → MSY 34 94.1%
WN2052 HOU → MSY 34 61.8%
WN2055 HOU → MSY 34 72.7%
WN2598 HOU → MSY 34 57.6%
WN2774 HOU → MSY 34 67.7%
WN686 MSY → HOU 34 97.1%
WN1148 HOU → MSY 33 69.7%
WN1276 MSY → HOU 33 93.6%
WN1642 MSY → HOU 33 75.0%
WN1902 HOU → MSY 33 69.7%
WN2316 MSY → HOU 33 31.3%
WN2973 HOU → MSY 33 81.8%
WN3246 HOU → MSY 33 90.9%
WN3256 MSY → HOU 33 51.5%
WN3408 MSY → HOU 33 75.8%
WN3783 HOU → MSY 33 84.4%
WN4713 HOU → MSY 33 68.8%
WN2466 HOU → MSY 31 83.9%
WN3129 HOU → MSY 31 90.3%
WN3499 MSY → HOU 31 63.3%
WN3823 MSY → HOU 31 74.2%
WN1271 MSY → HOU 30 70.0%

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 397 +10.6% 3 72.5%
June 2026 384 +7.6% 0 72.1%
May 2026 386 −5.6% 1 66.3%
April 2026 385 −3.0% 1 80.8%
March 2026 394 −1.3% 6 65.0%
February 2026 371 +0.5% 1 84.9%
January 2026 367 +10.2% 3 86.1%
December 2025 381 +2.7% 3 77.4%
November 2025 392 +4.8% 1 83.2%
October 2025 411 +61.2% 0 78.1%
September 2025 352 0 86.6%
August 2025 355 0 81.7%
July 2025 359 1 72.1%
June 2025 357 3 67.2%
May 2025 409 1 76.3%
April 2025 397 2 81.4%
March 2025 399 1 83.0%
February 2025 369 0 83.7%
January 2025 333 38 85.0%
December 2024 371 1 79.2%
November 2024 374 1 88.0%
October 2024 255 2 85.1%

How to read this chart

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