PIT to ORD flight delays & on-time performance
Nonstop flights from Pittsburgh International Airport to Chicago O'Hare International Airport · 413 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PIT or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Pittsburgh (PIT) to Chicago (ORD) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.2% were cancelled, and 9% arrived an hour or more late.
- Republic Airways was the most punctual airline here (84% on time); SkyWest Airlines was the least (69%).
- Departures scheduled around 6am did best (91% on time); around 6pm did worst (59%).
- Saturday was the most reliable day to fly (82% on time) and Monday the least (74%).
- The largest source of delay minutes was air traffic control & airport congestion (40%).
Which airline is most on time from PIT to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 84% | 1.7% | 12 min | 6.5% | 1,676 |
| United Airlines | 78% | 2.1% | 23 min | 9.1% | 1,293 |
| Envoy AirRegional airline operating American Eagle flights. | 78% | 2.7% | 24 min | 7.2% | 186 |
| American Airlines | 69% | 3.1% | 38 min | 16.2% | 606 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 69% | 3.7% | 36 min | 11.2% | 242 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am91%360 flights
- 7am88%435 flights
- 8am86%560 flights
- 9am84%186 flights
- 10am89%320 flights
- 11am85%259 flights
- 12pm80%117 flights
- 1pm64%44 flights
- 2pm76%369 flights
- 3pm73%225 flights
- 4pm80%245 flights
- 5pm61%331 flights
- 6pm59%176 flights
- 7pm65%242 flights
- 8pm54%119 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%3.7% cancelled
- Tuesday79%2.1% cancelled
- Wednesday80%1.2% cancelled
- Thursday82%1.7% cancelled
- Friday80%1.0% cancelled
- Saturday82%2.4% cancelled
- Sunday75%3.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion40%
- Late-arriving aircraft32%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather69%
- Air traffic control & airport congestion23%
- Airline (crew, maintenance, cleaning, fueling)8%
- Security0%
PIT to ORD: common questions
- How often are PIT to ORD flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Pittsburgh to Chicago cancelled?
- 2.2% of scheduled flights were cancelled (88 of 4,003).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 96 min behind schedule on average, and 9.1% of flights were an hour or more late.
- How long is taxi time at PIT?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to PIT — 75% on time
More flights from Pittsburgh
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PIT → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.