Route · MDW → PIT · 2020–2025 BTS data
Chicago to Pittsburgh
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to PIT (Chicago to Pittsburgh) ranks #1813 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.9%
- On-time
- -0.1 pts
- vs US avg
- 56 min
- Delay when late
- 6,964
- Flights
- #1813 of 4927
- Corpus placement
Cancelled
1.3%
Best Month
Feb 2024 90%
Worst Month
May 2024 66%
Distance
402 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 89 | 20 | 0 | 0 | WN |
| Nov 2025 | 84 | 14 | 3 | 0 | WN |
| Oct 2025 | 115 | 23 | 0 | 0 | WN |
| Sep 2025 | 112 | 14 | 0 | 0 | WN |
| Aug 2025 | 112 | 21 | 2 | 0 | WN |
| Jul 2025 | 105 | 33 | 0 | 0 | WN |
| Jun 2025 | 102 | 29 | 0 | 0 | WN |
| May 2025 | 86 | 13 | 0 | 0 | WN |
| Apr 2025 | 86 | 11 | 0 | 0 | WN |
| Mar 2025 | 87 | 15 | 3 | 0 | WN |
| Feb 2025 | 71 | 7 | 1 | 0 | WN |
| Jan 2025 | 81 | 13 | 2 | 0 | WN |
| Dec 2024 | 89 | 16 | 1 | 0 | WN |
| Nov 2024 | 85 | 11 | 0 | 0 | WN |
| Oct 2024 | 106 | 11 | 4 | 0 | WN |
| Sep 2024 | 111 | 12 | 1 | 0 | WN |
| Aug 2024 | 114 | 27 | 1 | 0 | WN |
| Jul 2024 | 104 | 26 | 0 | 0 | WN |
| Jun 2024 | 100 | 27 | 0 | 0 | WN |
| May 2024 | 98 | 33 | 0 | 0 | WN |
| Apr 2024 | 96 | 16 | 0 | 0 | WN |
| Mar 2024 | 99 | 16 | 0 | 0 | WN |
| Feb 2024 | 83 | 8 | 0 | 0 | WN |
| Jan 2024 | 95 | 23 | 11 | 0 | WN |
MDW–PIT seasonal on-time pattern
Best: February (86.3%) · weakest: July (67.4%)
Strongest calendar month
February
86.3% on-time · ~84 flights/mo
Busiest calendar month
August
~119 flights/mo avg
Weakest calendar month
July
67.4% on-time · ~116 flights/mo
Cancellation Rate
1.3%
29 of 2,310 flights
Diversion Rate
0.0%
0 of 2,310 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
MDW on-time profilePIT - Pittsburgh
Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.
PIT on-time profileCompare the two airports
See MDW and PIT side by side on delays, cancellations, and reliability.
Compare MDW vs PITOrigin-hub reliability standing
Mid-pack among MDW departures
From MDW, this corridor sits with 51 other 75–85% on-time routes out of 69 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 18 below 75%). Destination: Pittsburgh · fleet on-time rank #3550 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDW–PIT.
Routes with a similar on-time rate
What the Data Says About MDW to PIT
6,964 tracked flights put the MDW to PIT pairing (Chicago to Pittsburgh) at a 78.9% on-time rate, squarely in line with the wider network. Delays that do occur run 56.1 minutes on average. Across the 402-mile route and its 1 carrier, the trailing 24 months show 1.3% cancelled and 0.0% diverted (2,310 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 90% on-time, while May 2024 came in at just 66% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, MDW–PIT peaks in February at 86.3% on-time while August carries the heaviest traffic (~119 flights per month) ; the softest month is July at 67.4%, a 18.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MDW to PIT rank among US routes by traffic? ▼
How often are flights delayed from MDW to PIT? ▼
What is the cancellation rate for MDW to PIT? ▼
How far is the flight from MDW to PIT? ▼
When is the best time to fly from MDW to PIT? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using MDW–PIT data
MDW–PIT is mid-pack at 78.9% on-time; month and carrier mix move more than the corridor headline.
- Compare MDW and PIT airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
- If your dates flex, February (86.3% on-time) beats July (67.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.