Route
SLC → SMF
Salt Lake City International Airport Sacramento International Airport
How punctual is this route?
- On-time arrivals
- 84.8%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,165
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 50%
- Late-arriving aircraft 43%
- Air traffic control & airport 5%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.6% | 180 |
| October 2025 | 80.1% | 191 |
| November 2025 | 89.3% | 182 |
| December 2025 | 81.3% | 166 |
| January 2026 | 87.6% | 156 |
| February 2026 | 87.8% | 149 |
| March 2026 | 84.2% | 169 |
| April 2026 | 87.7% | 173 |
| May 2026 | 91.0% | 200 |
| June 2026 | 82.3% | 199 |
| July 2026 | 83.7% | 206 |
| August 2026 | 73.6% | 194 |
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 | 1,503 | 86.4% | 1.2% | 72 min |
| Southwest Airlines | 585 | 80.8% | 0.3% | 63 min |
| SkyWest Airlines | 77 | 84.4% | 0.0% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1423
15% late · 358 flights
-
DL1582
11% late · 349 flights
-
DL1342
18% late · 347 flights
-
DL1367
7% late · 328 flights
-
DL2585
21% late · 84 flights
-
WN4311
2% late · 57 flights
-
WN3757
48% late · 52 flights
-
WN4312
29% late · 49 flights
-
WN4981
5% late · 43 flights
-
OO4120
21% late · 38 flights
-
WN4352
3% late · 34 flights
-
WN264
22% late · 33 flights
-
WN3598
6% late · 31 flights
-
WN3611
10% late · 30 flights
-
WN1169
7% late · 28 flights
-
WN574
36% late · 25 flights
-
WN3487
21% late · 24 flights
-
WN3610
14% late · 22 flights
-
DL1420
29% late · 21 flights
-
WN3676
65% late · 20 flights
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