Flight Reliability
UA 5415 · United Airlines
Los Angeles → San Diego (LAX–SAN)94% of its flights flew this route. The rest (IAH–LFT, PHX–LAX) are included in these numbers.
87
Pretty Reliable
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 2.3%
- Cancelled
- 7 min early
- Median arrival delay
Based on 302 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
UA 5415 departing between 3–6 PM arrived on time 91% of the time, versus 75% between 9 PM–12 AM.
Sunday scaries are real for this one.
UA 5415 arrived on time 96% of the time on Tuesdays. On Sundays: 81%.
Better than the United Airlines network average.
UA 5415 arrived on time 88% of the time, versus 79% across the United Airlines network.
The breakdown
- Mon91%(45 flights)
- Tue96%(44 flights)
- Wed85%(46 flights)
- Thu89%(46 flights)
- Fri83%(42 flights)
- Sat93%(30 flights)
- Sun81%(42 flights)
- 12–3 PM—(1 flights)
- 3–6 PM91%(42 flights)
- 6–9 PM89%(236 flights)
- 9 PM–12 AM75%(16 flights)
90%
May
Jun 97% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 87% | 30 |
| August 2025 | 83% | 29 |
| September 2025 | 85% | 26 |
| October 2025 | 89% | 27 |
| November 2025 | 96% | 22 |
| December 2025 | 81% | 31 |
| January 2026 | 91% | 23 |
| February 2026 | 92% | 25 |
| March 2026 | 80% | 20 |
| May 2026 | 90% | 31 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 295
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 302 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.