Route
SLC → PDX
Salt Lake City International Airport Portland International Airport
How punctual is this route?
- On-time arrivals
- 87.9%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,384
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 52%
- Late-arriving aircraft 35%
- Air traffic control & airport 10%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.6% | 176 |
| October 2025 | 90.0% | 211 |
| November 2025 | 86.5% | 189 |
| December 2025 | 84.4% | 201 |
| January 2026 | 86.8% | 177 |
| February 2026 | 88.8% | 172 |
| March 2026 | 88.5% | 194 |
| April 2026 | 90.2% | 186 |
| May 2026 | 92.6% | 192 |
| June 2026 | 86.4% | 215 |
| July 2026 | 87.7% | 240 |
| August 2026 | 81.7% | 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 | 1,695 | 87.9% | 1.4% | 59 min |
| SkyWest Airlines | 617 | 88.1% | 0.5% | 75 min |
| Alaska Airlines | 46 | 97.8% | 0.0% | 47 min |
| Frontier Airlines | 26 | 65.4% | 0.0% | 51 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1209
12% late · 365 flights
-
DL1373
14% late · 348 flights
-
DL1244
12% late · 255 flights
-
DL1203
9% late · 251 flights
-
OO3430
11% late · 212 flights
-
DL1238
17% late · 148 flights
-
DL3232
7% late · 110 flights
-
DL3234
10% late · 108 flights
-
DL3233
11% late · 76 flights
-
OO3004
4% late · 70 flights
-
OO3117
7% late · 70 flights
-
OO3280
25% late · 69 flights
-
OO3360
7% late · 54 flights
-
OO3497
4% late · 50 flights
-
OO3308
20% late · 48 flights
-
F93191
35% late · 26 flights
-
AS413
0% late · 25 flights
-
OO3252
14% late · 21 flights
-
AS199
5% late · 20 flights
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