Route · LAX → MDW · 2020–2025 BTS data
Los Angeles to Chicago
The LAX–MDW corridor (Los Angeles, CA → Chicago, IL) runs ahead of the national average, served by 1 carrier across roughly 1,750 miles.
Data updated 2026-06-13
- 83.2%
- On-time
- +4.2 pts
- vs US avg
- 53 min
- Delay when late
- 7,897
- Flights
Cancelled
0.5%
Best Month
Apr 2025 95%
Worst Month
Jul 2024 66%
Distance
1,750 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 115 | 23 | 0 | 1 | WN |
| Nov 2025 | 106 | 20 | 2 | 1 | WN |
| Oct 2025 | 119 | 26 | 0 | 0 | WN |
| Sep 2025 | 116 | 12 | 0 | 0 | WN |
| Aug 2025 | 121 | 21 | 1 | 2 | WN |
| Jul 2025 | 146 | 28 | 0 | 1 | WN |
| Jun 2025 | 137 | 22 | 0 | 0 | WN |
| May 2025 | 114 | 14 | 0 | 0 | WN |
| Apr 2025 | 110 | 5 | 1 | 3 | WN |
| Mar 2025 | 105 | 10 | 1 | 1 | WN |
| Feb 2025 | 83 | 4 | 0 | 0 | WN |
| Jan 2025 | 95 | 12 | 0 | 0 | WN |
| Dec 2024 | 106 | 13 | 0 | 0 | WN |
| Nov 2024 | 104 | 8 | 0 | 1 | WN |
| Oct 2024 | 119 | 16 | 0 | 0 | WN |
| Sep 2024 | 119 | 14 | 0 | 0 | WN |
| Aug 2024 | 125 | 18 | 0 | 1 | WN |
| Jul 2024 | 146 | 50 | 0 | 2 | WN |
| Jun 2024 | 138 | 36 | 0 | 2 | WN |
| May 2024 | 128 | 37 | 1 | 0 | WN |
| Apr 2024 | 125 | 19 | 0 | 0 | WN |
| Mar 2024 | 119 | 21 | 1 | 1 | WN |
| Feb 2024 | 79 | 11 | 0 | 0 | WN |
| Jan 2024 | 93 | 21 | 8 | 1 | WN |
Cancellation Rate
0.5%
15 of 2,768 flights
Diversion Rate
0.6%
17 of 2,768 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
Origin airport →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See LAX and MDW side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAX–MDW.
Routes with a similar on-time rate
What the Data Says About LAX to MDW
Bureau of Transportation Statistics records show Los Angeles to Chicago (LAX to MDW) running a 83.2% on-time rate over 7,897 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 53.2 minutes. The 1,750-mile corridor is served by 1 carrier, and over the last 24 months 0.5% of 2,768 flights were cancelled, 0.6% diverted.
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 66% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from LAX to MDW? ▼
What is the cancellation rate for LAX to MDW? ▼
How far is the flight from LAX to MDW? ▼
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Flight Guides
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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.
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.