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Route · OKC → MDW · 2020–2025 BTS data

Oklahoma City to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), OKC to MDW (Oklahoma City to Chicago) ranks #3536 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87%
On-time
+8 pts
vs US avg
61 min
Delay when late
2,511
Flights
#3536 of 4927
Corpus placement

Cancelled

0.2%

Best Month

Jul 2024 87%

Worst Month

Jun 2024 74%

Distance

691 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 11 0 0 WN
Oct 2025 48 2 0 0 WN
Sep 2025 47 5 0 0 WN
Aug 2025 49 6 0 1 WN
Jul 2025 61 11 1 0 WN
Jun 2025 58 14 0 0 WN
May 2025 48 4 0 1 WN
Apr 2025 42 5 0 0 WN
Mar 2025 31 7 0 1 WN
Jan 2025 30 3 0 0 WN
Dec 2024 31 6 0 0 WN
Nov 2024 30 3 0 1 WN
Oct 2024 48 3 0 0 WN
Sep 2024 47 1 0 0 WN
Aug 2024 50 4 0 0 WN
Jul 2024 61 8 0 0 WN
Jun 2024 58 15 0 0 WN
May 2024 45 9 0 1 WN
Apr 2024 39 7 0 0 WN
Mar 2024 30 2 0 0 WN
Dec 2023 39 3 1 2 WN
Nov 2023 36 1 0 0 WN
Oct 2023 49 4 0 0 WN
Sep 2023 48 5 0 1 WN

OKC–MDW seasonal on-time pattern

Best: October (94.1%) · weakest: June (76.6%)

75%80%85%90%95% JanMarAprMayJunJulAugSepOctNovDec 85%

Strongest calendar month

October

94.1% on-time · ~45 flights/mo

Busiest calendar month

July

~51 flights/mo avg

Weakest calendar month

June

76.6% on-time · ~49 flights/mo

Cancellation Rate

0.2%

2 of 1,056 flights

Diversion Rate

0.8%

8 of 1,056 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

OKC - Oklahoma City

Full on-time, delay-cause, and seasonal performance for Oklahoma City, OK.

OKC on-time profile

MDW - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

MDW on-time profile

Compare the two airports

See OKC and MDW side by side on delays, cancellations, and reliability.

Compare OKC vs MDW

Origin-hub reliability standing

Among OKC's stronger departures

OKC → MDW posts a 87% on-time rate, landing in the ≥85% band with 8 of 21 BTS-tracked routes leaving Oklahoma City. The same hub also shows 13 mid-band and 0 challenged departures · fleet-wide on-time rank #637 of 4927 (highest on-time = #1).

What the Data Says About OKC to MDW

Oklahoma City to Chicago (OKC to MDW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87% on-time rate across 2,511 flights, with delays that do happen averaging 60.9 minutes. The corridor runs roughly 691 miles and is served by 1 carrier. Over the most recent 24 months, 2 of 1,056 flights were cancelled (0.2%) and 8 diverted (0.8%).

Monthly performance varies moderately here: Jul 2024 was the strongest month at 87% on-time versus Jun 2024 at 74%, a 13-point difference.

On the multi-year calendar, OKC–MDW peaks in October at 94.1% on-time while July carries the heaviest traffic (~51 flights per month) ; the softest month is June at 76.6%, a 17.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does OKC to MDW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, OKC to MDW ranks #3536 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from OKC to MDW? ▼
Flights from Oklahoma City to Chicago have a 87% on-time rate based on 2,511 flights. The average delay is 60.9 minutes. The best recent month was Jul 2024 with 87% on-time.
What is the cancellation rate for OKC to MDW? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (2 of 1,056 flights) and 0.8% were diverted.
How far is the flight from OKC to MDW? ▼
The flight distance from Oklahoma City (OKC) to Chicago (MDW) is approximately 691 miles. This route is served by 1 carrier.
When is the best time to fly from OKC to MDW? ▼
The best recent month for on-time performance was Jul 2024 (87% on-time). The worst was Jun 2024 (74% on-time). Consider booking during months with historically better performance.

Airports on this route

OKC Airport

Oklahoma City
MDW Airport

Chicago
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 OKC–MDW data

OKC–MDW runs 8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare OKC and MDW airport profiles: delay causes and top routes differ even on the same corridor. OKC airport
  • If your dates flex, October (94.1% on-time) beats June (76.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.