Route
SMF → LGB
Sacramento International Airport Long Beach International Airport
How punctual is this route?
- On-time arrivals
- 85.8%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,852
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 65%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 10%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.6% | 159 |
| October 2025 | 90.8% | 163 |
| November 2025 | 81.2% | 171 |
| December 2025 | 81.3% | 173 |
| January 2026 | 90.7% | 162 |
| February 2026 | 85.2% | 155 |
| March 2026 | 84.4% | 149 |
| April 2026 | 89.4% | 142 |
| May 2026 | 82.6% | 144 |
| June 2026 | 81.0% | 142 |
| July 2026 | 89.7% | 147 |
| August 2026 | 82.1% | 145 |
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 | 1,852 | 85.8% | 0.3% | 58 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4370
16% late · 64 flights
-
WN2306
21% late · 58 flights
-
WN4347
14% late · 57 flights
-
WN836
6% late · 53 flights
-
WN4348
20% late · 50 flights
-
WN2006
19% late · 47 flights
-
WN2845
11% late · 47 flights
-
WN2659
17% late · 46 flights
-
WN2911
11% late · 46 flights
-
WN3794
20% late · 46 flights
-
WN4369
17% late · 46 flights
-
WN3461
18% late · 45 flights
-
WN3795
18% late · 44 flights
-
WN3487
29% late · 42 flights
-
WN2485
8% late · 36 flights
-
WN4934
19% late · 36 flights
-
WN3483
27% late · 33 flights
-
WN4344
3% late · 32 flights
-
WN1095
10% late · 31 flights
-
WN2436
3% late · 31 flights
-
WN2587
16% late · 31 flights
-
WN591
0% late · 31 flights
-
WN934
19% late · 31 flights
-
WN2049
18% late · 28 flights
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