Route · PIT → ORD · 2020–2025 BTS data
Pittsburgh to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PIT to ORD (Pittsburgh to Chicago) ranks #546 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.6%
- On-time
- +6.6 pts
- vs US avg
- 87 min
- Delay when late
- 16,248
- Flights
- #546 of 4927
- Corpus placement
Cancelled
1.3%
Best Month
Feb 2024 97%
Worst Month
Dec 2025 69%
Distance
413 mi
Carriers
43
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 303 | 94 | 1 | 0 | YX,AA,MQ,UA,OO |
| Nov 2025 | 332 | 69 | 15 | 0 | OO,UA,MQ,AA,YX |
| Oct 2025 | 372 | 67 | 1 | 0 | AA,OO,UA,YX,MQ |
| Sep 2025 | 345 | 61 | 1 | 0 | MQ,UA,OO,YX,AA |
| Aug 2025 | 343 | 50 | 9 | 2 | AA,OO,YX,MQ,UA |
| Jul 2025 | 337 | 90 | 6 | 0 | AA,OO,UA,YX,MQ |
| Jun 2025 | 328 | 78 | 3 | 0 | AA,OO,UA,YX,MQ |
| May 2025 | 321 | 44 | 2 | 0 | AA,OO,UA,YX,MQ |
| Apr 2025 | 277 | 31 | 4 | 0 | MQ,UA,YX |
| Mar 2025 | 265 | 36 | 2 | 0 | YX,OO,UA,MQ |
| Feb 2025 | 216 | 34 | 0 | 0 | OO,UA,YX,MQ |
| Jan 2025 | 239 | 50 | 2 | 0 | AA,YX,OO,UA,MQ |
| Dec 2024 | 240 | 40 | 0 | 0 | AA,MQ,UA,YX |
| Nov 2024 | 239 | 31 | 0 | 0 | YX,UA,MQ,OO,AA |
| Oct 2024 | 264 | 25 | 0 | 0 | UA,MQ,YX,OO,AA |
| Sep 2024 | 270 | 21 | 0 | 0 | YX,OO,UA,AA,MQ |
| Aug 2024 | 292 | 76 | 5 | 1 | AA,MQ,YX,OO,UA |
| Jul 2024 | 263 | 57 | 11 | 0 | AA,UA,YX |
| Jun 2024 | 226 | 49 | 5 | 0 | AA,MQ,OO,UA,YX |
| May 2024 | 242 | 48 | 5 | 2 | AA,MQ,YX,OO,UA |
| Apr 2024 | 242 | 35 | 0 | 1 | AA,MQ,UA,YX |
| Mar 2024 | 249 | 23 | 2 | 0 | AA,MQ,YX,OO,UA |
| Feb 2024 | 214 | 7 | 1 | 0 | AA,MQ,OO,UA,YX |
| Jan 2024 | 215 | 35 | 10 | 1 | AA,MQ,YX,OO,UA |
PIT–ORD seasonal on-time pattern
Best: April (90.6%) · weakest: July (79.6%)
Strongest calendar month
April
90.6% on-time · ~210 flights/mo
Busiest calendar month
October
~253 flights/mo avg
Weakest calendar month
July
79.6% on-time · ~244 flights/mo
Cancellation Rate
1.3%
85 of 6,634 flights
Diversion Rate
0.1%
7 of 6,634 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PIT - Pittsburgh
Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.
PIT on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See PIT and ORD side by side on delays, cancellations, and reliability.
Compare PIT vs ORDOrigin-hub reliability standing
Among PIT's stronger departures
PIT → ORD posts a 85.6% on-time rate, landing in the ≥85% band with 13 of 33 BTS-tracked routes leaving Pittsburgh. The same hub also shows 19 mid-band and 1 challenged departures · fleet-wide on-time rank #1036 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PIT–ORD.
Routes with a similar on-time rate
What the Data Says About PIT to ORD
Pittsburgh to Chicago (PIT to ORD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.6% on-time rate across 16,248 flights, with delays that do happen averaging 86.8 minutes. The corridor runs roughly 413 miles and is served by 43 carriers. Over the most recent 24 months, 85 of 6,634 flights were cancelled (1.3%) and 7 diverted (0.1%).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 97% on-time, while Dec 2025 came in at just 69% - a 28-point swing worth factoring into travel timing.
On the multi-year calendar, PIT–ORD peaks in April at 90.6% on-time while October carries the heaviest traffic (~253 flights per month) ; the softest month is July at 79.6%, a 11.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PIT to ORD rank among US routes by traffic? ▼
How often are flights delayed from PIT to ORD? ▼
What is the cancellation rate for PIT to ORD? ▼
How far is the flight from PIT to ORD? ▼
When is the best time to fly from PIT to ORD? ▼
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 PIT–ORD data
PIT–ORD runs 6.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare PIT and ORD airport profiles: delay causes and top routes differ even on the same corridor. PIT airport
- If your dates flex, April (90.6% on-time) beats July (79.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.6% 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.