Route
LAS → MDW
Harry Reid International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 74.7%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,274
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 42%
- Air traffic control & airport 14%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.9% | 212 |
| October 2025 | 78.0% | 209 |
| November 2025 | 80.7% | 179 |
| December 2025 | 78.4% | 186 |
| January 2026 | 73.9% | 161 |
| February 2026 | 80.1% | 141 |
| March 2026 | 68.9% | 194 |
| April 2026 | 79.8% | 193 |
| May 2026 | 72.7% | 200 |
| June 2026 | 64.0% | 200 |
| July 2026 | 68.3% | 209 |
| August 2026 | 70.2% | 190 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 2,272 | 74.7% | 0.6% | 51 min |
| Allegiant Air | 2 | 50.0% | 0.0% | 147 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3212
13% late · 64 flights
-
WN3200
75% late · 61 flights
-
WN1778
24% late · 59 flights
-
WN2276
17% late · 59 flights
-
WN1422
2% late · 58 flights
-
WN1429
12% late · 58 flights
-
WN2395
17% late · 58 flights
-
WN3464
48% late · 58 flights
-
WN1230
14% late · 57 flights
-
WN3198
14% late · 57 flights
-
WN4270
19% late · 53 flights
-
WN2273
48% late · 52 flights
-
WN2270
4% late · 51 flights
-
WN2653
16% late · 50 flights
-
WN1094
18% late · 46 flights
-
WN2818
26% late · 46 flights
-
WN943
24% late · 46 flights
-
WN1731
41% late · 41 flights
-
WN2271
26% late · 36 flights
-
WN2274
53% late · 35 flights
-
WN2444
37% late · 32 flights
-
WN3591
35% late · 32 flights
-
WN1138
35% late · 31 flights
-
WN2084
20% late · 30 flights
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