Home / Routes / KIAH → KMSY3,564 scheduled

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Louis Armstrong New Orleans International Airport (KMSY) in New Orleans. SkyMeter tracks roughly 3,564 scheduled flights on this route across 12 carriers. The most active operator is UAL (UAL). Average block time is 1h 12m. Departures average 30 minutes off schedule, with 51% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
3,564
last 473 days
ADS-B observed
636
Airlines
12
Avg dep delay
30m
Late >15 min
50.9%
Cancel rate
0.56%

Recent observed flights

From ADS-B trace data

2026-08-21 17:07  →  2026-08-21 18:00  ·  53m
Replay
2026-08-20 12:32  →  2026-08-20 13:16  ·  44m
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2026-08-19 17:00  →  2026-08-19 17:54  ·  54m
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2026-08-19 12:48  →  2026-08-19 13:35  ·  47m
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2026-08-19 03:00  →  2026-08-19 03:48  ·  47m
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2026-08-18 22:31  →  2026-08-18 23:29  ·  57m
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2026-08-18 20:04  →  2026-08-18 20:59  ·  55m
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2026-08-18 17:00  →  2026-08-18 17:54  ·  53m
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2026-08-18 15:01  →  2026-08-18 15:56  ·  55m
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2026-08-18 12:44  →  2026-08-18 13:31  ·  47m
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Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells UAL 2884
sells UAL 2884
sells UAL 1544
sells UAL 718
sells UAL 702
sells UAL 358
sells UAL 353
sells FFT 24
sells ASA 2
sells ASA 2
sells DAL 1
sells UAL 1
sells DAL 1
sells AAL 1
sells DAL 1
sells DAL 1
sells DAL 1
sells DAL 1

Looking for the return flight?

View KMSY → KIAH