MDW to PIT flight delays & on-time performance
Nonstop flights from Chicago Midway International Airport to Pittsburgh International Airport · 402 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MDW or PIT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (MDW) to Pittsburgh (PIT) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.4% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (96% on time); around 5pm did worst (66%).
- Wednesday was the most reliable day to fly (87% on time) and Sunday the least (75%).
- The largest source of delay minutes was late-arriving aircraft (50%).
Which airline is most on time from MDW to PIT?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 81% | 1.4% | 11 min | 4.8% | 1,116 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am95%148 flights
- 9am89%120 flights
- 10am96%89 flights
- 12pm81%93 flights
- 1pm84%202 flights
- 3pm81%27 flights
- 4pm65%17 flights
- 5pm66%85 flights
- 6pm72%171 flights
- 7pm75%33 flights
- 8pm69%43 flights
- 9pm74%55 flights
- 10pm59%17 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%1.8% cancelled
- Tuesday84%0.6% cancelled
- Wednesday87%1.2% cancelled
- Thursday79%0.6% cancelled
- Friday83%1.2% cancelled
- Saturday76%1.9% cancelled
- Sunday75%3.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion11%
- Extreme weather7%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather88%
- Airline (crew, maintenance, cleaning, fueling)13%
- Air traffic control & airport congestion0%
- Security0%
MDW to PIT: common questions
- How often are MDW to PIT flights on time?
- 81% 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 Chicago to Pittsburgh cancelled?
- 1.4% of scheduled flights were cancelled (16 of 1,116).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 4.8% of flights were an hour or more late.
- How long is taxi time at MDW?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PIT to MDW — 80% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MDW → PIT, nonstop flights by US airlines that report to the DOT. How we calculate this.