Itineraries flown on 20+ days in the Jun 6 – Jul 31, 2026 schedule · each leg’s record Aug 2025 – Jul 2026

No clear winner: Southwest’s MSY → HOU flights land within a few points of 77% on time whatever the hour.

Nonstops


Southwest	MSY	HOU	1h 20m	77%	0.6%	2,297	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Houston on time. Total trip = scheduled departure to arrival, layover included. Layovers up to 4 hours. Pick a connection for the details.


Southwest Details →	MSY 05:00 → MCO 07:50WN 4663	1h 50m Orlando	MCO 09:40 → HOU 11:10WN 3174	6h 10m	98%	87%
Delta Details →	MSY 05:20 → ATL 07:53DL 1547	3h 12m Atlanta	ATL 11:05 → HOU 12:11DL 1195	6h 52m	99%	83%
Southwest Details →	MSY 05:40 → MDW 08:00WN 498	2h 10m Chicago	MDW 10:10 → HOU 12:50WN 2783	7h 10m	96%	82%
Southwest Details →	MSY 05:20 → DAL 06:45WN 2964	3h 45m Dallas	DAL 10:30 → HOU 11:45WN 23	6h 25m	100%	80%
Southwest Details →	MSY 06:30 → DAL 07:55WN 3664	3h 35m Dallas	DAL 11:30 → HOU 12:45WN 19	6h 15m	100%	76%
Delta Details →	MSY 09:13 → ATL 11:43DL 3128	3h 28m Atlanta	ATL 15:11 → HOU 16:23DL 2381	7h 12m	99%	75%
American Details →	MSY 05:50 → DFW 07:40AA 468	3h 11m Dallas-Fort Worth	DFW 10:51 → HOU 12:16AA 6413 · flown by SkyWest	6h 26m	96%	73%
Delta Details →	MSY 15:22 → ATL 18:01DL 3157	2h 34m Atlanta	ATL 20:35 → HOU 21:43DL 2051	6h 21m	95%	67%
Tight connection: often missed
Delta Details →	MSY 17:07 → ATL 19:45DL 924	50m Atlanta	ATL 20:35 → HOU 21:43DL 2051	4h 36m	49%	36%
Southwest Details →	MSY 18:40 → MCO 21:30WN 4311	50m Orlando	MCO 22:20 → HOU 23:45WN 2645	5h 08m	38%	20%
Southwest Details →	MSY 17:40 → DEN 19:45WN 1743	1h 00m Denver	DEN 20:45 → HOU 00:45 +1WN 2026	6h 35m	30%	16%

Same layover, different day-part

How often the first flight arrives too late to connect (45 min minimum), for one-ticket layovers of 45–80 minutes.

Morning

ATL · 1h 06m · leaves 07:28 9%

DFW · 1h 11m · leaves 07:43 16%

Afternoon and evening

MCO · 50m · leaves 18:40 62%

DFW · 53m · leaves 19:58 62%

DEN · 1h 00m · leaves 17:40 70%

Delays build through the day, so an afternoon first leg eats the layover. A short connection is fine early in the morning and a gamble later on.

Mixing airlines

One ticketMiss it and the airline rebooks you; bags go through. 45 min is enough.

Separate ticketsMiss it and you buy a new ticket. Re-check bags, clear security again: we require 90 min.


Delta DL 1547 MSY 05:20 → ATL Southwest WN 4914 ATL 09:30 → HOU Connection details →	1h 37m	5h 15m	89%	70%
Delta DL 1424 MSY 10:35 → ATL Southwest WN 206 ATL 16:05 → HOU Connection details →	3h 00m	6h 40m	98%	62%
Southwest WN 4949 MSY 15:20 → ATL Delta DL 2051 ATL 20:35 → HOU Connection details →	2h 45m	6h 23m	85%	62%

Rank all connections, any airlines →

Regional partners count as the airline that sells them: SkyWest flying Delta Connection is one Delta ticket.

How these are worked out. Makes the connection: share of the last year’s flights where the first flight arrived with at least 45 minutes to spare (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled and arriving within 15 minutes. Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON