Flight Reliability
DL 477 · Delta Air Lines
Los Angeles → Fort Lauderdale (LAX–FLL)
72
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.1%
- Cancelled
- 2 min
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 477 arrived on time 85% of the time on Saturdays and just 56% on Sundays. That gap is worth planning around.
A bit behind the LAX–FLL route.
DL 477 arrived on time 71% of the time, versus 74% across the LAX–FLL route.
Lagging the Delta Air Lines network.
DL 477 arrived on time 71% of the time, versus 81% across the Delta Air Lines network.
Ticking up lately.
DL 477 arrived on time 68% of the time over the last three months in the data, compared with 63% in the three months before that.
The breakdown
- Mon58%(52 flights)
- Tue71%(52 flights)
- Wed75%(52 flights)
- Thu78%(51 flights)
- Fri77%(52 flights)
- Sat85%(47 flights)
- Sun56%(52 flights)
74%
May
Jun 62% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 29 |
| July 2025 | 81% | 31 |
| August 2025 | 80% | 30 |
| September 2025 | 90% | 30 |
| October 2025 | 74% | 31 |
| November 2025 | 76% | 29 |
| December 2025 | 52% | 31 |
| January 2026 | 61% | 31 |
| February 2026 | 77% | 26 |
| March 2026 | 60% | 30 |
| April 2026 | 69% | 29 |
| May 2026 | 74% | 31 |
- Departures on time
- 74%
- Diverted
- 0.3%
- Flights flown
- 358
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 363 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.