4,024 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 6–7 am 91% arrive on time from PIT

Best single flight UA 1803 PIT 06:49 → ORD 07:37 · 89% on time Avoid UA 2180 PIT 14:10 → ORD 14:55 · 75% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

PIT

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Chicago flights leaving PIT 9–10 am: 1Close ×


AA 4480flown by Republic	PIT 09:50	ORD 10:42	1h 52m	104	88%	1.9%	34 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


United (incl. GoJet, SkyWest, Republic)	2,168	81%	2.3%	101 min
American (incl. Envoy, SkyWest, Republic)	1,856	78%	2.2%	99 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


UA 1803	PIT 06:49	ORD 07:37	89%
UA 3461flown by Republic	PIT 08:36	ORD 09:30	89%
UA 2180	PIT 14:10	ORD 14:55	75%

All 16 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


United	PIT	ORD	1h 50m	81%	2.3%	2,168	Flying now
American	PIT	ORD	1h 53m	78%	2.2%	1,856	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

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