Route
PDX → SLC
Portland International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 89.1%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,383
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 10%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.0% | 176 |
| October 2025 | 89.1% | 211 |
| November 2025 | 88.1% | 189 |
| December 2025 | 86.4% | 201 |
| January 2026 | 88.0% | 177 |
| February 2026 | 91.7% | 172 |
| March 2026 | 92.6% | 193 |
| April 2026 | 92.9% | 186 |
| May 2026 | 92.1% | 192 |
| June 2026 | 88.7% | 215 |
| July 2026 | 85.8% | 240 |
| August 2026 | 83.9% | 231 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 1,696 | 90.8% | 1.5% | 67 min |
| SkyWest Airlines | 614 | 84.6% | 0.2% | 72 min |
| Alaska Airlines | 47 | 93.6% | 0.0% | 44 min |
| Frontier Airlines | 26 | 73.1% | 0.0% | 108 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1270
2% late · 365 flights
-
DL1209
14% late · 363 flights
-
DL1203
9% late · 251 flights
-
DL1244
12% late · 251 flights
-
OO3355
17% late · 202 flights
-
OO3291
19% late · 199 flights
-
DL1238
11% late · 148 flights
-
DL3232
7% late · 110 flights
-
DL3234
9% late · 109 flights
-
OO3112
10% late · 70 flights
-
OO3120
9% late · 70 flights
-
DL3233
11% late · 56 flights
-
F93192
27% late · 26 flights
-
AS156
8% late · 25 flights
-
OO3377
0% late · 21 flights
-
AS575
5% late · 20 flights
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