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 1 time in 10 at 7 am and almost half the time at 7 pm.

Nonstops (seasonal or thin)


American	PHL	SAT	4h 06m	70%	2.3%	266	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach San Antonio on time. Total trip = scheduled departure to arrival, layover included (San Antonio is 1 h behind Philadelphia). Layovers up to 4 hours. Pick a connection for the details.


United Details →	PHL 08:00 → DEN 10:01UA 2307	3h 43m Denver	DEN 13:44 → SAT 16:55UA 1022	9h 55m	100%	90%
United Details →	PHL 06:10 → IAD 07:19UA 3693 · flown by Republic	1h 06m Dulles	IAD 08:25 → SAT 10:59UA 1789	5h 49m	97%	90%
Delta Details →	PHL 07:23 → SLC 10:06DL 2023	3h 19m Salt Lake City	SLC 13:25 → SAT 17:13DL 2680	10h 50m	98%	83%
Delta Details →	PHL 06:25 → ATL 08:32DL 1152	3h 43m Atlanta	ATL 12:15 → SAT 13:38DL 1408	8h 16m	99%	81%
United Details →	PHL 06:15 → IAH 08:44UA 584	55m Houston	IAH 09:39 → SAT 10:46UA 6201 · flown by Mesa	5h 31m	93%	81%
Southwest Details →	PHL 05:00 → DEN 07:00WN 2664	2h 20m Denver	DEN 09:20 → SAT 12:25WN 3149	8h 25m	100%	81%
United Details →	PHL 06:00 → ORD 07:30UA 660	1h 55m Chicago	ORD 09:25 → SAT 12:29UA 490	7h 29m	99%	79%
Delta Details →	PHL 05:15 → ATL 07:22DL 1269	2h 20m Atlanta	ATL 09:42 → SAT 11:10DL 1121	6h 55m	98%	78%
Tight connection: often missed
Delta Details →	PHL 17:22 → DTW 19:09DL 1391	1h 01m Detroit	DTW 20:10 → SAT 22:21DL 1365	5h 59m	70%	49%
American Details →	PHL 16:22 → DFW 19:09AA 2356	46m Dallas-Fort Worth	DFW 19:55 → SAT 21:03AA 546	5h 41m	50%	23%
Southwest Details →	PHL 16:50 → DEN 18:55WN 3221	55m Denver	DEN 19:50 → SAT 23:08WN 2073	7h 20m	27%	9%

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

IAD · 1h 06m · leaves 06:10 3%

IAH · 55m · leaves 06:15 7%

ATL · 1h 10m · leaves 06:25 8%

Afternoon and evening

MDW · 1h 05m · leaves 18:55 36%

DFW · 46m · leaves 16:22 50%

DEN · 55m · leaves 16:50 73%

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 2664 PHL 05:00 → DEN United UA 2625 DEN 09:35 → SAT Connection details →	2h 35m	8h 43m	100%	92%
American AA 646 PHL 11:05 → PHX Southwest WN 1230 PHX 16:05 → SAT Connection details →	2h 56m	10h 10m	94%	81%
American AA 3312 PHL 09:35 → DEN Frontier F9 2356 DEN 15:40 → SAT Connection details →	3h 44m	10h 21m	99%	81%

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