Route
PDX → LAS
Portland International Airport Harry Reid International Airport
How punctual is this route?
- On-time arrivals
- 79.9%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,934
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 21%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.5% | 265 |
| October 2025 | 76.2% | 250 |
| November 2025 | 80.9% | 238 |
| December 2025 | 73.2% | 239 |
| January 2026 | 85.7% | 225 |
| February 2026 | 85.4% | 206 |
| March 2026 | 81.2% | 257 |
| April 2026 | 80.6% | 239 |
| May 2026 | 85.1% | 237 |
| June 2026 | 77.2% | 250 |
| July 2026 | 80.3% | 276 |
| August 2026 | 75.6% | 252 |
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 |
|---|---|---|---|---|
| Alaska Airlines | 1,571 | 83.2% | 0.4% | 60 min |
| Southwest Airlines | 1,151 | 76.5% | 0.2% | 51 min |
| Frontier Airlines | 183 | 72.2% | 3.8% | 119 min |
| NK | 29 | 85.7% | 0.0% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS757
15% late · 359 flights
-
AS778
17% late · 347 flights
-
AS531
19% late · 283 flights
-
AS627
11% late · 250 flights
-
F91106
29% late · 138 flights
-
AS728
26% late · 108 flights
-
AS1628
10% late · 70 flights
-
WN4015
27% late · 59 flights
-
WN3707
41% late · 58 flights
-
WN4818
16% late · 58 flights
-
WN1188
2% late · 57 flights
-
AS1053
29% late · 55 flights
-
AS1101
18% late · 51 flights
-
WN4672
31% late · 51 flights
-
WN4732
22% late · 51 flights
-
WN1911
40% late · 45 flights
-
F92518
27% late · 41 flights
-
WN363
5% late · 40 flights
-
WN2090
48% late · 33 flights
-
WN473
28% late · 32 flights
-
WN339
10% late · 31 flights
-
WN2469
27% late · 30 flights
-
WN1973
4% late · 28 flights
-
WN275
4% late · 28 flights
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