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 6% of the time at 9 am and 30% of the time at 5 pm.

Nonstops (seasonal or thin)


American	SLC	PHL	4h 25m	88%	5.0%	220	Flying now
Delta	SLC	PHL	4h 12m	84%	1.0%	598	Flying now

Best connections, any airlines

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Philadelphia on time. Total trip = scheduled departure to arrival, layover included (Philadelphia is 2 h ahead of Salt Lake City). Layovers up to 4 hours. Pick a connection for the details.


United Details →	SLC 06:05 → SFO 07:19UA 4763 · flown by SkyWest	1h 19m San Francisco	SFO 08:38 → PHL 17:17UA 2431	9h 12m	95%	90%
Delta + Americantwo ticketsDetails →	SLC 23:36 → MCO 06:00DL 2069	2h 40m Orlando	MCO 08:40 → PHL 11:16 +1AA 629	9h 40m	98%	88%
United Details →	SLC 05:15 → DEN 06:54UA 5683 · flown by SkyWest	2h 41m Denver	DEN 09:35 → PHL 15:12UA 1575	7h 57m	99%	87%
Delta + Americantwo ticketsDetails →	SLC 23:31 → BOS 06:05DL 696	1h 58m Boston	BOS 08:03 → PHL 09:40 +1AA 2764	8h 09m	97%	87%
Delta + Americantwo ticketsDetails →	SLC 23:00 → MIA 05:42DL 2040	2h 03m Miami	MIA 07:45 → PHL 10:43 +1AA 2328	9h 43m	96%	86%
Delta + Alaskatwo ticketsDetails →	SLC 17:20 → SEA 18:36DL 871	3h 26m Seattle	SEA 22:02 → PHL 06:13 +1AS 522	10h 53m	97%	86%
Delta + Americantwo ticketsDetails →	SLC 17:10 → SAN 18:06DL 1252	3h 49m San Diego	SAN 21:55 → PHL 06:13 +1AA 1333	11h 03m	98%	85%
American Details →	SLC 23:25 → CLT 05:22AA 2611	2h 33m Charlotte	CLT 07:55 → PHL 09:41 +1AA 3046	8h 16m	96%	84%
Tight connection: often missed
Delta Details →	SLC 09:55 → ATL 15:41DL 835	49m Atlanta	ATL 16:30 → PHL 18:37DL 1329	6h 42m	74%	43%
United Details →	SLC 12:35 → ORD 17:00UA 1178	59m Chicago	ORD 17:59 → PHL 21:19UA 1776	6h 44m	67%	40%
American Details →	SLC 13:28 → ORD 17:59AA 2616	49m Chicago	ORD 18:48 → PHL 21:59AA 2443	6h 38m	70%	37%

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

DEN · 1h 07m · leaves 07:45 3%

SFO · 1h 19m · leaves 06:05 5%

PHX · 57m · leaves 07:13 11%

Afternoon and evening

ORD · 59m · leaves 12:35 33%

MDW · 50m · leaves 14:05 60%

DEN · 50m · leaves 16:45 82%

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.

The table above includes two-ticket connections (marked “two tickets”), held to the 90-minute minimum. One ticket only →

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