Route
LAS → STL
Harry Reid International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 78.1%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,101
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.0% | 165 |
| October 2025 | 78.5% | 191 |
| November 2025 | 83.7% | 173 |
| December 2025 | 79.7% | 187 |
| January 2026 | 85.1% | 162 |
| February 2026 | 84.2% | 146 |
| March 2026 | 81.1% | 208 |
| April 2026 | 78.9% | 167 |
| May 2026 | 76.5% | 171 |
| June 2026 | 71.8% | 180 |
| July 2026 | 66.7% | 192 |
| August 2026 | 72.0% | 159 |
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 | 1,784 | 77.3% | 0.2% | 61 min |
| Frontier Airlines | 317 | 82.5% | 2.2% | 73 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F93108
21% late · 193 flights
-
F92018
12% late · 124 flights
-
WN2368
8% late · 60 flights
-
WN3337
12% late · 59 flights
-
WN3345
31% late · 59 flights
-
WN2275
7% late · 58 flights
-
WN3286
9% late · 58 flights
-
WN3307
41% late · 57 flights
-
WN2369
12% late · 52 flights
-
WN2371
42% late · 52 flights
-
WN1351
42% late · 50 flights
-
WN2277
18% late · 50 flights
-
WN2721
23% late · 47 flights
-
WN3332
20% late · 45 flights
-
WN3851
50% late · 44 flights
-
WN4665
17% late · 41 flights
-
WN2139
24% late · 33 flights
-
WN2553
35% late · 31 flights
-
WN2661
23% late · 31 flights
-
WN3436
3% late · 31 flights
-
WN3586
3% late · 29 flights
-
WN1407
11% late · 28 flights
-
WN2317
29% late · 28 flights
-
WN4539
63% late · 27 flights
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