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

No clear winner: Delta’s PWM → DTW flights land within a few points of 4 in 5 on time whatever the hour.

Nonstops (seasonal or thin)


Delta	PWM	DTW	2h 18m	80%	1.2%	661	Flying now

Best connections, any airlines

Most reliable Quickest (80%+ on time)

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


United Details →	PWM 05:15 → IAD 07:00UA 1926	1h 35m Dulles	IAD 08:35 → DTW 10:14UA 6137 · flown by Mesa	4h 59m	97%	87%
United + Americantwo ticketsDetails →	PWM 06:00 → ORD 08:00UA 723	2h 00m Chicago	ORD 10:00 → DTW 12:32AA 3498 · flown by Envoy	6h 34m	100%	86%
American + Deltatwo ticketsDetails →	PWM 08:00 → PHL 09:39AA 2951	2h 57m Philadelphia	PHL 12:36 → DTW 14:20DL 2331	6h 22m	98%	84%
Southwest + Deltatwo ticketsDetails →	PWM 05:35 → BWI 07:15WN 4674	2h 24m Baltimore	BWI 09:39 → DTW 11:07DL 2341	5h 32m	98%	84%
Delta Details →	PWM 06:00 → LGA 07:30DL 5799 · flown by Republic	1h 55m New York	LGA 09:25 → DTW 11:25DL 1078	5h 24m	100%	83%
Delta Details →	PWM 06:00 → ATL 08:45DL 1515	2h 15m Atlanta	ATL 11:00 → DTW 12:55DL 1240	6h 56m	99%	83%
Delta Details →	PWM 11:48 → MSP 13:50DL 1766	2h 25m Minneapolis	MSP 16:15 → DTW 18:59DL 1476	7h 12m	99%	79%
American Details →	PWM 07:16 → CLT 09:46AA 2966	1h 29m Charlotte	CLT 11:15 → DTW 13:01AA 1781	5h 45m	97%	78%
Tight connection: often missed
Delta Details →	PWM 18:59 → ATL 21:56DL 488	1h 03m Atlanta	ATL 22:59 → DTW 00:59 +1DL 2940	6h 00m	71%	49%
Southwest Details →	PWM 15:10 → BWI 16:55WN 183	1h 05m Baltimore	BWI 18:00 → DTW 19:35WN 4159	4h 25m	69%	37%
United Details →	PWM 17:00 → ORD 19:00UA 1182	47m Chicago	ORD 19:47 → DTW 22:19UA 2426	5h 19m	35%	22%

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 09m · leaves 09:55 12%

Afternoon and evening

EWR · 1h 10m · leaves 15:16 16%

IAD · 56m · leaves 19:16 19%

ATL · 1h 03m · leaves 18:59 29%

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