Route
LAS → ONT
Harry Reid International Airport Ontario International Airport
How punctual is this route?
- On-time arrivals
- 75.4%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,473
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 57%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 7%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.6% | 201 |
| October 2025 | 68.9% | 228 |
| November 2025 | 72.8% | 216 |
| December 2025 | 76.1% | 207 |
| January 2026 | 82.8% | 212 |
| February 2026 | 79.2% | 192 |
| March 2026 | 75.6% | 197 |
| April 2026 | 82.2% | 202 |
| May 2026 | 76.4% | 200 |
| June 2026 | 65.9% | 206 |
| July 2026 | 73.0% | 212 |
| August 2026 | 75.0% | 200 |
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 | 1,749 | 73.1% | 0.6% | 54 min |
| Frontier Airlines | 724 | 80.9% | 0.8% | 76 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F91357
19% late · 255 flights
-
F92231
23% late · 242 flights
-
F91283
14% late · 206 flights
-
WN3054
19% late · 70 flights
-
WN2194
16% late · 58 flights
-
WN3341
3% late · 58 flights
-
WN2298
17% late · 52 flights
-
WN2694
22% late · 50 flights
-
WN3234
26% late · 45 flights
-
WN3845
47% late · 45 flights
-
WN948
21% late · 45 flights
-
WN3412
18% late · 41 flights
-
WN4179
17% late · 35 flights
-
WN4445
12% late · 34 flights
-
WN3229
12% late · 33 flights
-
WN2570
13% late · 31 flights
-
WN680
35% late · 31 flights
-
WN2334
21% late · 28 flights
-
WN2611
14% late · 28 flights
-
WN2945
32% late · 28 flights
-
WN2953
18% late · 28 flights
-
WN208
42% late · 27 flights
-
WN2135
74% late · 27 flights
-
WN3328
30% late · 27 flights
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