Direct (nonstop) flights from Chicago to Philadelphia

3 airlines fly nonstop from Chicago O Hare International (ORD) to Philadelphia International Airport (PHL). It's 677 miles (1,090 km), about 2h 9m in the air. Operated by American Airlines, Frontier Airlines, United Airlines.

ORD
Chicago O Hare International
🇺🇸 Chicago, USA
PHL
Philadelphia International Airport
🇺🇸 Philadelphia, USA
Flight Time
2h 9m
Distance
677 mi
1,090 km
CO₂/pax
125 kg
−25 kg vs. layover
Airlines
3
American Airlines +2
Time Diff
+1h
Operated by American Airlines American Airlines Frontier Airlines Frontier Airlines United Airlines United Airlines

Route data last updated: May 24, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
ORD → PHL
Flight Time
2h 9m
Distance
677 mi
Frontier Airlines F9 Frontier Airlines
Route
ORD → PHL
Flight Time
2h 9m
Distance
677 mi
United Airlines UA United Airlines
Route
ORD → PHL
Flight Time
2h 9m
Distance
677 mi

Alternative Routes

Other ways to fly from Chicago to Philadelphia with one stop · direct emits 125 kg CO₂ per passenger

ORD MDT (Middletown) PHL
Leg 1: 1h 56m (594 mi) Leg 2: 58m (83 mi) Total: ~2h 54m 🍃 150 kg CO₂ (+20% vs. direct)
Leg 1
ORD → MDT
1h 56m · 594 mi
View ORD to MDT flights →
Leg 2
MDT → PHL
58m · 83 mi
View MDT to PHL flights →
ORD SCE (State College) PHL
Leg 1: 1h 50m (528 mi) Leg 2: 1h 6m (153 mi) Total: ~2h 56m 🍃 151 kg CO₂ (+21% vs. direct)
Leg 1
ORD → SCE
1h 50m · 528 mi
View ORD to SCE flights →
Leg 2
SCE → PHL
1h 6m · 153 mi
View SCE to PHL flights →
ORD CLE (Cleveland) PHL
Leg 1: 1h 26m (316 mi) Leg 2: 1h 33m (362 mi) Total: ~2h 59m 🍃 150 kg CO₂ (+20% vs. direct)
Leg 1
ORD → CLE
1h 26m · 316 mi
View ORD to CLE flights →
Leg 2
CLE → PHL
1h 33m · 362 mi
View CLE to PHL flights →
ORD GRR (Grand Rapids) PHL
Leg 1: 1h 6m (136 mi) Leg 2: 1h 54m (573 mi) Total: ~3h 🍃 156 kg CO₂ (+25% vs. direct)
Leg 1
ORD → GRR
1h 6m · 136 mi
View ORD to GRR flights →
Leg 2
GRR → PHL
1h 54m · 573 mi
View GRR to PHL flights →
ORD PIT (Pittsburgh) PHL
Leg 1: 1h 38m (411 mi) Leg 2: 1h 22m (268 mi) Total: ~3h 🍃 151 kg CO₂ (+21% vs. direct)
Leg 1
ORD → PIT
1h 38m · 411 mi
View ORD to PIT flights →
Leg 2
PIT → PHL
1h 22m · 268 mi
View PIT to PHL flights →

Frequently Asked Questions

How long is the direct flight from Chicago to Philadelphia?

A nonstop flight from Chicago (ORD) to Philadelphia (PHL) takes approximately 2 hours and 9 minutes. The distance is 677 miles (1,090 km).

Which airlines fly nonstop from Chicago to Philadelphia?

3 airlines: American Airlines, Frontier Airlines, United Airlines.

Is there a nonstop flight from Chicago to Philadelphia?

Yes. 3 airlines: American Airlines, Frontier Airlines, United Airlines.

How far is Chicago from Philadelphia?

The flight distance from Chicago to Philadelphia is 677 miles (1,090 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Chicago to Philadelphia?

At 2h 9m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Chicago to Philadelphia?

Roughly 125 kg CO2 per passenger one-way. That's about the same as driving 625 km.

Is the return flight from Philadelphia to Chicago also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Chicago to Philadelphia?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Chicago O Hare International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.