PlainFlights

Route · MDW → LAS · 2020–2025 BTS data

Chicago to Las Vegas

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MDW to LAS (Chicago to Las Vegas) ranks #483 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.2%
On-time
-1.8 pts
vs US avg
58 min
Delay when late
16,984
Flights
#483 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Oct 2024 90%

Worst Month

May 2024 68%

Distance

1,521 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 185 59 0 0 WN
Nov 2025 178 38 9 1 WN
Oct 2025 209 35 0 0 WN
Sep 2025 213 35 0 3 WN,G4
Aug 2025 215 36 0 0 WN
Jul 2025 258 78 3 2 WN,F9
Jun 2025 257 54 3 2 WN,F9
May 2025 228 30 0 4 WN,F9
Apr 2025 249 47 1 0 F9,WN
Mar 2025 235 45 3 0 WN,F9
Feb 2025 189 36 1 1 WN,F9
Jan 2025 189 23 0 1 WN,F9
Dec 2024 228 37 0 0 F9,WN
Nov 2024 218 29 1 0 WN,F9
Oct 2024 264 27 1 0 WN,F9
Sep 2024 250 41 0 0 WN,F9
Aug 2024 258 59 1 0 F9,WN
Jul 2024 285 85 5 2 F9,WN
Jun 2024 276 87 0 0 F9,WN
May 2024 309 99 4 1 F9,WN
Apr 2024 297 72 1 0 F9,WN
Mar 2024 279 67 2 0 F9,WN
Feb 2024 215 37 3 0 F9,WN
Jan 2024 242 51 21 0 F9,WN

MDW–LAS seasonal on-time pattern

Best: November (83.3%) · weakest: July (67.7%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 75.2%

Strongest calendar month

November

83.3% on-time · ~220 flights/mo

Busiest calendar month

July

~270 flights/mo avg

Weakest calendar month

July

67.7% on-time · ~270 flights/mo

Cancellation Rate

1.0%

59 of 5,726 flights

Diversion Rate

0.3%

17 of 5,726 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 profile

LAS - Las Vegas

Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.

LAS on-time profile

Compare the two airports

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

Compare MDW vs LAS

Origin-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: Las Vegas · fleet on-time rank #4049 of 4927.

What the Data Says About MDW to LAS

The Chicago to Las Vegas corridor (MDW to LAS) posts a 77.2% on-time rate on the lower edge of the average band, based on 16,984 tracked flights. Late flights run 58.1 minutes behind on average. 5 carriers cover the 1,521-mile route; over the last 24 months, 59 of 5,726 flights were cancelled (1.0%) and 0.3% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while May 2024 came in at just 68% - a 22-point swing worth factoring into travel timing.

On the multi-year calendar, MDW–LAS peaks in November at 83.3% on-time while July carries the heaviest traffic (~270 flights per month) ; the softest month is July at 67.7%, a 15.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MDW to LAS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MDW to LAS ranks #483 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 MDW to LAS? ▼
Flights from Chicago to Las Vegas have a 77.2% on-time rate based on 16,984 flights. The average delay is 58.1 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for MDW to LAS? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (59 of 5,726 flights) and 0.3% were diverted.
How far is the flight from MDW to LAS? ▼
The flight distance from Chicago (MDW) to Las Vegas (LAS) is approximately 1,521 miles. This route is served by 5 carriers.
When is the best time to fly from MDW to LAS? ▼
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was May 2024 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

MDW Airport

Chicago
LAS Airport

Las Vegas
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–LAS data

MDW–LAS is mid-pack at 77.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare MDW and LAS airport profiles: delay causes and top routes differ even on the same corridor. MDW airport
  • If your dates flex, November (83.3% on-time) beats July (67.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.2% 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.