Route
HOU → LAS
William P. Hobby Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 79.8%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,018
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 19%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.2% | 155 |
| October 2025 | 68.8% | 192 |
| November 2025 | 85.2% | 183 |
| December 2025 | 90.2% | 183 |
| January 2026 | 90.9% | 165 |
| February 2026 | 84.0% | 162 |
| March 2026 | 79.9% | 174 |
| April 2026 | 75.0% | 164 |
| May 2026 | 67.1% | 161 |
| June 2026 | 74.8% | 155 |
| July 2026 | 80.0% | 165 |
| August 2026 | 79.1% | 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 | 2,018 | 79.8% | 0.3% | 57 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4489
22% late · 64 flights
-
WN3445
9% late · 58 flights
-
WN2347
11% late · 55 flights
-
WN1882
9% late · 53 flights
-
WN1888
17% late · 53 flights
-
WN2002
25% late · 52 flights
-
WN2003
40% late · 52 flights
-
WN1998
4% late · 51 flights
-
WN2173
20% late · 51 flights
-
WN1362
4% late · 50 flights
-
WN2514
4% late · 46 flights
-
WN2906
11% late · 45 flights
-
WN2926
4% late · 45 flights
-
WN2340
50% late · 42 flights
-
WN2778
8% late · 41 flights
-
WN2251
3% late · 38 flights
-
WN2908
24% late · 35 flights
-
WN652
17% late · 35 flights
-
WN1509
32% late · 34 flights
-
WN2175
3% late · 33 flights
-
WN2887
0% late · 33 flights
-
WN2518
31% late · 32 flights
-
WN3061
3% late · 31 flights
-
WN3435
74% late · 31 flights
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