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 8 am and 16% of the time at 9 pm.

Nonstops


American	RDU	PHL	1h 31m	75%	2.9%	2,078	Flying now
Frontier	RDU	PHL	1h 32m	73%	4.0%	600	Flying now

Best connections, one ticket

Most reliable Quickest (80%+ on time)

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


Southwest Details →	RDU 06:25 → STL 07:30WN 3435	2h 30m St Louis	STL 10:00 → PHL 13:10WN 3222	6h 45m	98%	87%
American Details →	RDU 05:01 → CLT 06:00AA 1903	1h 55m Charlotte	CLT 07:55 → PHL 09:41AA 3046	4h 40m	98%	84%
Delta Details →	RDU 05:33 → DTW 07:18DL 1388	2h 52m Detroit	DTW 10:10 → PHL 11:46DL 2331	6h 16m	98%	84%
Delta Details →	RDU 07:30 → ATL 08:59DL 2478	2h 22m Atlanta	ATL 11:21 → PHL 13:24DL 2279	5h 56m	97%	81%
Delta Details →	RDU 07:00 → BOS 09:02DL 1054	1h 48m Boston	BOS 10:50 → PHL 12:28DL 5805 · flown by Republic	5h 28m	98%	81%
American Details →	RDU 05:01 → MIA 07:12AA 1088	1h 48m Miami	MIA 09:00 → PHL 11:55AA 551	6h 54m	96%	81%
Delta Details →	RDU 05:20 → ATL 06:44DL 1552	2h 11m Atlanta	ATL 08:55 → PHL 10:57DL 2270	5h 41m	98%	80%
United Details →	RDU 10:32 → IAD 11:43UA 1535	1h 12m Dulles	IAD 12:55 → PHL 14:10UA 3541 · flown by Republic	3h 38m	92%	79%
Tight connection: often missed
American Details →	RDU 20:08 → CLT 21:24AA 2394	1h 05m Charlotte	CLT 22:29 → PHL 00:17 +1AA 2189	4h 09m	56%	38%
American Details →	RDU 15:57 → ORD 17:41AA 4563 · flown by Republic	1h 07m Chicago	ORD 18:48 → PHL 21:59AA 2443	6h 09m	69%	37%
Frontier Details →	RDU 18:14 → MIA 20:30F9 2335	51m Miami	MIA 21:21 → PHL 00:27 +1F9 1204	6h 13m	58%	36%

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 07m · leaves 06:20 4%

IAD · 1h 12m · leaves 10:32 8%

FLL · 1h 03m · leaves 09:40 26%

Afternoon and evening

ORD · 1h 07m · leaves 15:57 31%

MIA · 51m · leaves 18:14 42%

CLT · 1h 05m · leaves 20:08 44%

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 2478 RDU 07:30 → ATL American AA 4338 ATL 12:25 → PHL Connection details →	3h 26m	7h 06m	98%	92%
Delta DL 1279 RDU 06:25 → TPA American AA 2807 TPA 10:48 → PHL Connection details →	2h 30m	7h 02m	97%	85%
Southwest WN 3430 RDU 07:15 → MCO American AA 2101 MCO 12:02 → PHL Connection details →	3h 07m	7h 24m	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