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489 km · Domestic

George Bush Intercontinental (IAH) – Louis Armstrong New Orleans (MSY)

In July 2026, 420 flights operated between George Bush Intercontinental and Louis Armstrong New Orleans (both directions), and 80.0% 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
January467470▲ 0.6%
February494455▼ 7.9%
March536504▼ 6.0%
April517539▲ 4.3%
May520467▼ 10.2%
June468411▼ 12.2%
July476420▼ 11.8%
August493––
September558––
October571–in progress
November507––
December448––
Year to date (Jan–Jul)3,4783,266▼ 6.1%

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
January86.1%90.0%▲ 4.5%
February86.0%88.1%▲ 2.4%
March86.6%83.1%▼ 4.0%
April87.8%87.6%▼ 0.2%
May75.8%79.9%▲ 5.4%
June70.7%75.7%▲ 7.1%
July70.4%80.0%▲ 13.6%
August83.2%––
September92.8%––
October87.6%–in progress
November83.8%––
December86.4%––
Year-to-date average (Jan–Jul)80.5%83.5%▲ 3.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January501▼ 98.0%
February20▼ 100.0%
March09–
April10▼ 100.0%
May80▼ 100.0%
June151▼ 93.3%
July80▼ 100.0%
August2––
September2––
October1–in progress
November0––
December0––
Year to date (Jan–Jul)8411▼ 86.9%

Airlines on this route

  1. United Airlines 92.8%
  2. Spirit Airlines 6.5%
  3. Frontier Airlines 0.5%
  4. SkyWest Airlines 0.2%

Oct 1, 2024 – Jul 31, 2026

By direction

IAH → MSY

Scheduled flights
5,394
Flights operated
5,344
Cancelled
50 · 0.9%
On-time departures
81.5%

MSY → IAH

Scheduled flights
5,396
Flights operated
5,335
Cancelled
61 · 1.1%
On-time departures
86.5%

IAH → MSY and MSY → IAH counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
United Airlines UA 10,012 92.8% 84.4% 100
Spirit Airlines NK 702 6.5% 79.1% 7
Frontier Airlines F9 54 0.5% 78.8% 2
SkyWest Airlines OO 22 0.2% 70.0% 2

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 delay07:00–08:000.4min · 1,285 recorded · 1,275 measured
Gap to highest-delay hour22.5min07:00 ↔ 18:00
Recorded flights10,790IAH–MSY

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · Fewer than 200 measured departures · 2 recorded · 2 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% · 673 recorded · 663 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 29 recorded · 29 measured · Source: the US BTS 07:00 · 92.8% · 1,285 recorded · 1,275 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 76 recorded · 75 measured · Source: the US BTS 09:00 · 90.0% · 1,225 recorded · 1,217 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 15 recorded · 15 measured · Source: the US BTS 11:00 · 87.5% · 911 recorded · 902 measured · Source: the US BTS 12:00 · 83.3% · 367 recorded · 366 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 67 recorded · 67 measured · Source: the US BTS 14:00 · 81.6% · 1,064 recorded · 1,054 measured · Source: the US BTS 15:00 · 81.7% · 917 recorded · 909 measured · Source: the US BTS 16:00 · 82.1% · 641 recorded · 631 measured · Source: the US BTS 17:00 · 79.3% · 690 recorded · 681 measured · Source: the US BTS 18:00 · 69.6% · 712 recorded · 704 measured · Source: the US BTS 19:00 · 82.7% · 593 recorded · 583 measured · Source: the US BTS 20:00 · 74.7% · 724 recorded · 716 measured · Source: the US BTS 21:00 · 79.1% · 319 recorded · 315 measured · Source: the US BTS 22:00 · 83.4% · 470 recorded · 465 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 10 recorded · 10 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 · Fewer than 200 measured departures · 2 recorded · 2 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 · 0.4 min · 673 recorded · 663 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 29 recorded · 29 measured · Source: the US BTS 07:00 · 0.4 min · 1,285 recorded · 1,275 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 76 recorded · 75 measured · Source: the US BTS 09:00 · 3.1 min · 1,225 recorded · 1,217 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 15 recorded · 15 measured · Source: the US BTS 11:00 · 5.4 min · 911 recorded · 902 measured · Source: the US BTS 12:00 · 9.0 min · 367 recorded · 366 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 67 recorded · 67 measured · Source: the US BTS 14:00 · 11.1 min · 1,064 recorded · 1,054 measured · Source: the US BTS 15:00 · 10.9 min · 917 recorded · 909 measured · Source: the US BTS 16:00 · 9.7 min · 641 recorded · 631 measured · Source: the US BTS 17:00 · 12.8 min · 690 recorded · 681 measured · Source: the US BTS 18:00 · 23.0 min · 712 recorded · 704 measured · Source: the US BTS 19:00 · 7.6 min · 593 recorded · 583 measured · Source: the US BTS 20:00 · 15.0 min · 724 recorded · 716 measured · Source: the US BTS 21:00 · 10.6 min · 319 recorded · 315 measured · Source: the US BTS 22:00 · 7.5 min · 470 recorded · 465 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 10 recorded · 10 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 · 2 · 2 recorded · 2 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 · 673 · 673 recorded · 663 measured · Source: the US BTS 06:00 · 29 · 29 recorded · 29 measured · Source: the US BTS 07:00 · 1,285 · 1,285 recorded · 1,275 measured · Source: the US BTS 08:00 · 76 · 76 recorded · 75 measured · Source: the US BTS 09:00 · 1,225 · 1,225 recorded · 1,217 measured · Source: the US BTS 10:00 · 15 · 15 recorded · 15 measured · Source: the US BTS 11:00 · 911 · 911 recorded · 902 measured · Source: the US BTS 12:00 · 367 · 367 recorded · 366 measured · Source: the US BTS 13:00 · 67 · 67 recorded · 67 measured · Source: the US BTS 14:00 · 1,064 · 1,064 recorded · 1,054 measured · Source: the US BTS 15:00 · 917 · 917 recorded · 909 measured · Source: the US BTS 16:00 · 641 · 641 recorded · 631 measured · Source: the US BTS 17:00 · 690 · 690 recorded · 681 measured · Source: the US BTS 18:00 · 712 · 712 recorded · 704 measured · Source: the US BTS 19:00 · 593 · 593 recorded · 583 measured · Source: the US BTS 20:00 · 724 · 724 recorded · 716 measured · Source: the US BTS 21:00 · 319 · 319 recorded · 315 measured · Source: the US BTS 22:00 · 470 · 470 recorded · 465 measured · Source: the US BTS 23:00 · 10 · 10 recorded · 10 measured · Source: the US BTS

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00Fewer than 200 measured departures—22
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:0095.0%0.4 min663673
06:00Fewer than 200 measured departures—2929
07:0092.8%0.4 min1,2751,285
08:00Fewer than 200 measured departures—7576
09:0090.0%3.1 min1,2171,225
10:00Fewer than 200 measured departures—1515
11:0087.5%5.4 min902911
12:0083.3%9.0 min366367
13:00Fewer than 200 measured departures—6767
14:0081.6%11.1 min1,0541,064
15:0081.7%10.9 min909917
16:0082.1%9.7 min631641
17:0079.3%12.8 min681690
18:0069.6%23.0 min704712
19:0082.7%7.6 min583593
20:0074.7%15.0 min716724
21:0079.1%10.6 min315319
22:0083.4%7.5 min465470
23:00Fewer than 200 measured departures—1010

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 83.1% · 1,646 recorded · 1,631 measured · Source: the US BTS Tuesday · 87.3% · 1,504 recorded · 1,482 measured · Source: the US BTS Wednesday · 86.8% · 1,518 recorded · 1,501 measured · Source: the US BTS Thursday · 82.7% · 1,597 recorded · 1,581 measured · Source: the US BTS Friday · 82.2% · 1,607 recorded · 1,597 measured · Source: the US BTS Saturday · 84.3% · 1,336 recorded · 1,324 measured · Source: the US BTS Sunday · 82.2% · 1,582 recorded · 1,563 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 8.5 min · 1,646 recorded · 1,631 measured · Source: the US BTS Tuesday · 4.3 min · 1,504 recorded · 1,482 measured · Source: the US BTS Wednesday · 5.5 min · 1,518 recorded · 1,501 measured · Source: the US BTS Thursday · 8.4 min · 1,597 recorded · 1,581 measured · Source: the US BTS Friday · 12.0 min · 1,607 recorded · 1,597 measured · Source: the US BTS Saturday · 8.9 min · 1,336 recorded · 1,324 measured · Source: the US BTS Sunday · 9.9 min · 1,582 recorded · 1,563 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 1,646 · 1,646 recorded · 1,631 measured · Source: the US BTS Tuesday · 1,504 · 1,504 recorded · 1,482 measured · Source: the US BTS Wednesday · 1,518 · 1,518 recorded · 1,501 measured · Source: the US BTS Thursday · 1,597 · 1,597 recorded · 1,581 measured · Source: the US BTS Friday · 1,607 · 1,607 recorded · 1,597 measured · Source: the US BTS Saturday · 1,336 · 1,336 recorded · 1,324 measured · Source: the US BTS Sunday · 1,582 · 1,582 recorded · 1,563 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday83.1%8.5 min1,6311,646
Tuesday87.3%4.3 min1,4821,504
Wednesday86.8%5.5 min1,5011,518
Thursday82.7%8.4 min1,5811,597
Friday82.2%12.0 min1,5971,607
Saturday84.3%8.9 min1,3241,336
Sunday82.2%9.9 min1,5631,582

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 · 88.1% · 988 recorded · 937 measured · Source: the US BTS Feb · 87.0% · 951 recorded · 949 measured · Source: the US BTS Mar · 84.9% · 1,049 recorded · 1,040 measured · Source: the US BTS Apr · 87.7% · 1,057 recorded · 1,056 measured · Source: the US BTS May · 77.7% · 995 recorded · 987 measured · Source: the US BTS Jun · 73.0% · 895 recorded · 879 measured · Source: the US BTS Jul · 74.9% · 904 recorded · 896 measured · Source: the US BTS Aug · 83.2% · 495 recorded · 493 measured · Source: the US BTS Sep · 92.8% · 560 recorded · 558 measured · Source: the US BTS Oct · 88.8% · 922 recorded · 921 measured · Source: the US BTS Nov · 86.5% · 1,022 recorded · 1,022 measured · Source: the US BTS Dec · 85.4% · 952 recorded · 941 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 2.8 min · 988 recorded · 937 measured · Source: the US BTS Feb · 4.1 min · 951 recorded · 949 measured · Source: the US BTS Mar · 6.8 min · 1,049 recorded · 1,040 measured · Source: the US BTS Apr · 4.6 min · 1,057 recorded · 1,056 measured · Source: the US BTS May · 15.7 min · 995 recorded · 987 measured · Source: the US BTS Jun · 22.3 min · 895 recorded · 879 measured · Source: the US BTS Jul · 17.5 min · 904 recorded · 896 measured · Source: the US BTS Aug · 8.1 min · 495 recorded · 493 measured · Source: the US BTS Sep · -3.6 min · 560 recorded · 558 measured · Source: the US BTS Oct · 3.6 min · 922 recorded · 921 measured · Source: the US BTS Nov · 6.4 min · 1,022 recorded · 1,022 measured · Source: the US BTS Dec · 7.7 min · 952 recorded · 941 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 988 · 988 recorded · 937 measured · Source: the US BTS Feb · 951 · 951 recorded · 949 measured · Source: the US BTS Mar · 1,049 · 1,049 recorded · 1,040 measured · Source: the US BTS Apr · 1,057 · 1,057 recorded · 1,056 measured · Source: the US BTS May · 995 · 995 recorded · 987 measured · Source: the US BTS Jun · 895 · 895 recorded · 879 measured · Source: the US BTS Jul · 904 · 904 recorded · 896 measured · Source: the US BTS Aug · 495 · 495 recorded · 493 measured · Source: the US BTS Sep · 560 · 560 recorded · 558 measured · Source: the US BTS Oct · 922 · 922 recorded · 921 measured · Source: the US BTS Nov · 1,022 · 1,022 recorded · 1,022 measured · Source: the US BTS Dec · 952 · 952 recorded · 941 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan88.1%2.8 min937988
Feb87.0%4.1 min949951
Mar84.9%6.8 min1,0401,049
Apr87.7%4.6 min1,0561,057
May77.7%15.7 min987995
Jun73.0%22.3 min879895
Jul74.9%17.5 min896904
Aug83.2%8.1 min493495
Sep92.8%-3.6 min558560
Oct88.8%3.6 min921922
Nov86.5%6.4 min1,0221,022
Dec85.4%7.7 min941952

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 83.2% 8,974
  • Delayed >15 min 15.8% 1,705
  • Cancelled 1.0% 111
  • 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

91
91 of 91
Flight numbersBy direction DeparturesOn time
UA2170 IAH → MSY 617 73.7%
UA491 IAH → MSY 571 92.6%
UA2474 IAH → MSY 567 84.1%
UA1647 IAH → MSY 549 79.0%
UA1821 MSY → IAH 403 95.2%
UA2385 IAH → MSY 343 88.1%
UA2744 MSY → IAH 339 95.9%
UA2296 MSY → IAH 325 84.0%
UA2105 MSY → IAH 305 92.8%
UA2253 MSY → IAH 293 82.1%
UA2194 IAH → MSY 285 82.7%
UA2140 IAH → MSY 271 75.3%
UA575 IAH → MSY 199 84.4%
UA2228 MSY → IAH 191 83.8%
UA2469 MSY → IAH 186 88.5%
UA2015 MSY → IAH 177 75.9%
UA2319 IAH → MSY 169 89.8%
UA2124 MSY → IAH 149 89.9%
UA285 MSY → IAH 131 70.8%
UA1036 MSY → IAH 122 96.6%
UA2034 MSY → IAH 119 94.0%
UA2052 IAH → MSY 118 89.7%
UA1444 MSY → IAH 115 81.6%
UA2376 MSY → IAH 104 95.1%
UA1338 MSY → IAH 102 83.0%
UA1381 IAH → MSY 102 48.5%
UA2341 MSY → IAH 85 77.7%
UA222 MSY → IAH 69 94.2%
UA274 MSY → IAH 68 82.1%
UA1976 IAH → MSY 60 85.0%
NK2113 IAH → MSY 59 81.4%
NK555 IAH → MSY 59 72.9%
NK1154 MSY → IAH 58 79.0%
NK2114 MSY → IAH 58 86.2%
NK556 MSY → IAH 58 84.5%
NK1153 IAH → MSY 57 87.7%
UA492 IAH → MSY 56 82.1%
UA1373 MSY → IAH 55 100.0%
UA1493 IAH → MSY 53 75.5%
UA1499 MSY → IAH 53 92.3%
UA1564 IAH → MSY 53 88.0%
UA2162 IAH → MSY 51 58.0%
UA320 MSY → IAH 48 91.7%
UA2224 MSY → IAH 47 70.2%
UA1654 MSY → IAH 45 84.4%
UA2366 MSY → IAH 45 97.8%
UA1475 MSY → IAH 42 88.1%
NK2065 IAH → MSY 39 52.8%
NK2066 MSY → IAH 39 58.3%
UA1962 MSY → IAH 38 89.5%
UA1360 MSY → IAH 37 67.6%
UA1412 IAH → MSY 37 71.4%
UA1527 IAH → MSY 37 94.6%
UA1554 MSY → IAH 37 97.2%
UA1822 MSY → IAH 37 64.9%
UA1955 MSY → IAH 37 91.9%
UA1993 IAH → MSY 37 73.0%
UA2230 IAH → MSY 37 91.9%
UA2241 MSY → IAH 37 91.2%
UA2264 MSY → IAH 37 91.4%
UA313 MSY → IAH 37 75.0%
UA441 MSY → IAH 37 91.9%
UA770 IAH → MSY 37 91.9%
UA1394 MSY → IAH 36 88.9%
UA1688 IAH → MSY 36 91.7%
UA1696 IAH → MSY 36 75.0%
UA1780 MSY → IAH 36 80.6%
UA2078 MSY → IAH 36 77.1%
UA2725 MSY → IAH 36 72.2%
NK194 IAH → MSY 35 88.6%
NK195 MSY → IAH 35 77.1%
UA1741 MSY → IAH 35 81.8%
UA2772 MSY → IAH 35 80.0%
UA1259 IAH → MSY 34 70.6%
UA1535 IAH → MSY 34 85.3%
UA2497 IAH → MSY 34 97.1%
NK1813 IAH → MSY 33 87.9%
NK1814 MSY → IAH 33 87.9%
UA1594 MSY → IAH 32 93.6%
UA2109 IAH → MSY 32 90.6%
UA2175 MSY → IAH 32 89.7%
UA2198 IAH → MSY 32 87.5%
UA2368 IAH → MSY 32 82.8%
UA2859 MSY → IAH 32 90.6%
UA582 MSY → IAH 32 90.6%
UA618 MSY → IAH 32 84.4%
UA2027 MSY → IAH 31 90.3%
UA2396 MSY → IAH 31 87.1%
NK1428 MSY → IAH 30 70.0%
NK1429 IAH → MSY 30 90.0%
UA686 IAH → MSY 30 50.0%

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 420 −11.8% 0 80.0%
June 2026 411 −12.2% 1 75.7%
May 2026 467 −10.2% 0 79.9%
April 2026 539 +4.3% 0 87.6%
March 2026 504 −6.0% 9 83.1%
February 2026 455 −7.9% 0 88.1%
January 2026 470 +0.6% 1 90.0%
December 2025 448 −9.1% 0 86.4%
November 2025 507 −1.6% 0 83.8%
October 2025 571 +63.1% 1 87.6%
September 2025 558 2 92.8%
August 2025 493 2 83.2%
July 2025 476 8 70.4%
June 2025 468 15 70.7%
May 2025 520 8 75.8%
April 2025 517 1 87.8%
March 2025 536 0 86.6%
February 2025 494 2 86.0%
January 2025 467 50 86.1%
December 2024 493 11 84.6%
November 2024 515 0 89.1%
October 2024 350 0 90.9%

How to read this chart

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