Flight Reliability
DL 3519 · Delta Air Lines
Los Angeles → Albuquerque (LAX–ABQ)97% of its flights flew this route. The rest (PDX–SEA) are included in these numbers.
- 89%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0%
- Cancelled
- 11 min early
- Median arrival delay
Based on 200 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 3519 arrived on time 96% of the time on Saturdays. On Fridays: 82%.
Better than the Delta Air Lines network average.
DL 3519 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 200 scheduled flights, only 0.0% were cancelled.
Slipping a little lately.
DL 3519 arrived on time 87% of the time over the last three months in the data, compared with 90% in the three months before that.
The breakdown
- Mon93%(29 flights)
- Tue86%(29 flights)
- Wed83%(29 flights)
- Thu89%(28 flights)
- Fri82%(28 flights)
- Sat96%(28 flights)
- Sun90%(29 flights)
- 6–9 AM—(7 flights)
- 6–9 PM89%(193 flights)
Jun 83% → Dec 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 87% | 31 |
| August 2025 | 90% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 86% | 28 |
| December 2025 | 79% | 19 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 200
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 200 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.