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

Connect in the morning. The same 80-minute layover misses 4% of the time at 8 am and 37% of the time at 6 pm.

Nonstops (seasonal or thin)


American	MIA	SAN	5h 45m	76%	1.1%	649	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach San Diego on time. Total trip = scheduled departure to arrival, layover included (San Diego is 3 h behind Miami). Layovers up to 4 hours. Pick a connection for the details.


United Details →	MIA 07:37 → DEN 10:00UA 2045	3h 30m Denver	DEN 13:30 → SAN 14:55UA 1302	10h 18m	99%	86%
United Details →	MIA 06:30 → IAH 08:24UA 2074	3h 36m Houston	IAH 12:00 → SAN 13:21UA 2399	9h 51m	100%	83%
Delta Details →	MIA 06:00 → ATL 08:05DL 1249	3h 48m Atlanta	ATL 11:53 → SAN 13:21DL 540	10h 21m	99%	82%
Delta Details →	MIA 06:30 → SEA 10:00DL 2355	2h 05m Seattle	SEA 12:05 → SAN 15:04DL 2572	11h 34m	100%	81%
United Details →	MIA 13:10 → IAD 15:53UA 2435	2h 07m Dulles	IAD 18:00 → SAN 20:23UA 2054	10h 13m	95%	78%
Delta Details →	MIA 06:35 → MSP 09:25DL 1056	2h 13m Minneapolis	MSP 11:38 → SAN 13:29DL 2125	9h 54m	97%	78%
Delta Details →	MIA 10:40 → ATL 12:48DL 2836	2h 48m Atlanta	ATL 15:36 → SAN 17:00DL 843	9h 21m	97%	78%
American Details →	MIA 09:00 → PHL 11:55AA 551	3h 45m Philadelphia	PHL 15:40 → SAN 18:22AA 1489	12h 22m	98%	78%
Tight connection: often missed
Delta Details →	MIA 18:05 → ATL 20:22DL 1386	1h 06m Atlanta	ATL 21:28 → SAN 23:00DL 896	7h 55m	63%	46%
American Details →	MIA 15:30 → DFW 17:50AA 1199	1h 12m Dallas-Fort Worth	DFW 19:02 → SAN 20:03AA 1243	7h 33m	63%	35%
American Details →	MIA 17:00 → ORD 19:53AA 3056	1h 17m Chicago	ORD 21:10 → SAN 23:26AA 2457	9h 26m	71%	29%

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

SFO · 1h 18m · leaves 08:00 3%

IAH · 1h 06m · leaves 06:30 5%

DEN · 1h 15m · leaves 07:37 6%

Afternoon and evening

ATL · 1h 06m · leaves 18:05 37%

PHX · 52m · leaves 17:40 43%

SFO · 1h 01m · leaves 18:35 76%

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.


American AA 1739 MIA 08:57 → DEN United UA 1302 DEN 13:30 → SAN Connection details →	2h 11m	8h 58m	97%	84%
American AA 654 MIA 08:20 → SEA Delta DL 2613 SEA 15:25 → SAN Connection details →	3h 29m	12h 53m	99%	82%
American AA 603 MIA 07:00 → IAH United UA 2399 IAH 12:00 → SAN Connection details →	3h 10m	9h 21m	98%	80%

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