Route
COS → LAS
City of Colorado Springs Municipal Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 0.1%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 865
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 21%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.5% | 73 |
| October 2025 | 74.7% | 75 |
| November 2025 | 78.9% | 71 |
| December 2025 | 75.8% | 66 |
| January 2026 | 79.4% | 63 |
| February 2026 | 92.9% | 56 |
| March 2026 | 84.6% | 78 |
| April 2026 | 87.0% | 77 |
| May 2026 | 82.1% | 79 |
| June 2026 | 71.2% | 73 |
| July 2026 | 78.7% | 75 |
| August 2026 | 76.9% | 79 |
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 | 865 | 80.0% | 0.1% | 67 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1227
43% late · 51 flights
-
WN3498
18% late · 49 flights
-
WN548
11% late · 47 flights
-
WN1444
29% late · 42 flights
-
WN2075
8% late · 40 flights
-
WN2077
42% late · 40 flights
-
WN1486
18% late · 33 flights
-
WN2835
24% late · 33 flights
-
WN3047
3% late · 33 flights
-
WN247
0% late · 32 flights
-
WN2100
13% late · 31 flights
-
WN2462
13% late · 31 flights
-
WN1355
4% late · 28 flights
-
WN3257
37% late · 27 flights
-
WN2106
36% late · 25 flights
-
WN3313
4% late · 25 flights
-
WN1949
42% late · 24 flights
-
WN2079
4% late · 24 flights
-
WN982
35% late · 23 flights
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