Great-circle route ORD ↔ PHL. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| ORD → PHL Chicago to Philadelphia |
112/wk | Daily | American Airlines, Frontier Airlines, United Airlines |
| PHL → ORD Philadelphia to Chicago |
112/wk | Daily | American Airlines, Frontier Airlines, United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 1,204,530 passengers on 8,923 flights between ORD and PHL — about 3,302 a day — filling 82% of the 1,465,344 seats flown. American Airlines Inc. carried the most passengers (61%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
3 airlines fly the ORD–PHL nonstop, including American Airlines, Frontier Airlines, United Airlines.
Recent scheduled departures on this route have used the Boeing 737, Airbus A321, Boeing 737-900, Boeing 737-800 and 2 other types.
Aircraft assignments change by season and by time of day.
The distance between Chicago O'Hare International Airport and Philadelphia International Airport is 676 miles, or 1,088 kilometres.
| Great-circle distance | 676 mi |
| Kilometres | 1,088 km |
| Nautical miles | 587 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 3 airlines fly the route nonstop, with about 224 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 57m in the air. That is a great-circle estimate from the 676-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 112 a week from Chicago to Philadelphia and 112 a week from Philadelphia to Chicago, from our most recent schedule sample.
American Airlines, Frontier Airlines, United Airlines.
In 2025, airlines reported 1,204,530 passengers on 8,923 scheduled flights between ORD and PHL — about 3,302 a day — filling 82% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737, Airbus A321, Boeing 737-900, Boeing 737-800. Assignments change by season and by time of day.