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 one-hour layover misses 4% of the time at 7 am and 38% of the time at 6 pm.

Nonstops (seasonal or thin)


Alaska	BZN	SAN	2h 49m	69%	0.7%	136	Flying now
Southwest	BZN	SAN	2h 40m	68%	0.0%	47	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 1 h behind Bozeman). Layovers up to 4 hours. Pick a connection for the details.


Delta Details →	BZN 05:15 → SLC 06:36DL 491	1h 09m Salt Lake City	SLC 07:45 → SAN 08:42DL 1177	4h 27m	96%	88%
United Details →	BZN 10:33 → DEN 12:25UA 1824	3h 30m Denver	DEN 15:55 → SAN 17:20UA 1281	7h 47m	99%	84%
Delta Details →	BZN 12:13 → SLC 13:39DL 1971	3h 31m Salt Lake City	SLC 17:10 → SAN 18:06DL 1252	6h 53m	99%	82%
United Details →	BZN 06:30 → DEN 08:24UA 1362	2h 51m Denver	DEN 11:15 → SAN 12:41UA 1940	7h 11m	99%	81%
United Details →	BZN 17:26 → LAX 19:07UA 741	3h 49m Los Angeles	LAX 22:56 → SAN 23:54UA 594	7h 28m	99%	79%
Delta Details →	BZN 08:25 → SEA 09:29DL 4092 · flown by SkyWest	2h 36m Seattle	SEA 12:05 → SAN 15:04DL 2572	7h 39m	98%	79%
Southwest Details →	BZN 06:35 → DEN 08:10WN 1130	2h 22m Denver	DEN 10:32 → SAN 12:00WN 1700	6h 22m	99%	78%
Delta Details →	BZN 19:30 → SLC 20:55DL 3676 · flown by SkyWest	2h 00m Salt Lake City	SLC 22:55 → SAN 23:50DL 1202	5h 23m	96%	78%
Tight connection: often missed
United Details →	BZN 17:51 → DEN 19:58UA 5736 · flown by SkyWest	1h 02m Denver	DEN 21:00 → SAN 22:25UA 1835	5h 34m	66%	45%
United Details →	BZN 16:17 → SFO 17:50UA 1702	1h 10m San Francisco	SFO 19:00 → SAN 20:53UA 1343	5h 36m	62%	40%
Southwest Details →	BZN 16:30 → DEN 18:20WN 1133	55m Denver	DEN 19:15 → SAN 20:40WN 1703	5h 10m	36%	7%

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

SLC · 1h 09m · leaves 05:15 4%

LAS · 1h 05m · leaves 10:15 7%

ORD · 1h 01m · leaves 08:00 10%

Afternoon and evening

LAS · 1h 05m · leaves 19:15 40%

SEA · 1h 02m · leaves 18:58 41%

DEN · 55m · leaves 16:30 64%

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.


Southwest WN 1131 BZN 11:15 → DEN United UA 1281 DEN 15:55 → SAN Connection details →	3h 00m	7h 05m	100%	85%
United UA 741 BZN 17:26 → LAX Delta DL 3746 LAX 22:40 → SAN Connection details →	3h 33m	7h 14m	97%	84%
Alaska AS 461 BZN 06:03 → SEA Delta DL 2533 SEA 09:45 → SAN Connection details →	2h 48m	7h 35m	100%	82%

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