Flight Reliability
DL 1513 · Delta Air Lines
Boston → Orlando (BOS–MCO)
58
A Little Dicey
WanderNerd Reliability Score
- 65%
- Arrive within 15 minutes
- 26 min
- Average arrival delay
- 1.7%
- Cancelled
- 0 min
- Median arrival delay
Based on 351 historical flights. Data through May 2026.
What the data says
6–9 PM has a slight edge.
Departures between 6–9 PM arrived on time 65% of the time, against 62% between 3–6 PM.
Sunday scaries are real for this one.
DL 1513 arrived on time 73% of the time on Tuesdays and just 52% on Sundays. That gap is worth planning around.
A bit behind the BOS–MCO route.
DL 1513 arrived on time 65% of the time, versus 71% across the BOS–MCO route.
Well behind the Delta Air Lines network.
DL 1513 arrived on time 65% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon66%(50 flights)
- Tue73%(52 flights)
- Wed71%(49 flights)
- Thu63%(49 flights)
- Fri60%(48 flights)
- Sat68%(47 flights)
- Sun52%(50 flights)
- 3–6 PM62%(13 flights)
- 6–9 PM65%(332 flights)
70%
May
Jun 50% → May 70% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 30 |
| July 2025 | 38% | 29 |
| August 2025 | 77% | 31 |
| September 2025 | 50% | 30 |
| October 2025 | 53% | 30 |
| November 2025 | 79% | 28 |
| December 2025 | 68% | 28 |
| January 2026 | 74% | 27 |
| February 2026 | 75% | 24 |
| March 2026 | 68% | 28 |
| April 2026 | 80% | 30 |
| May 2026 | 70% | 30 |
- Departures on time
- 57%
- Diverted
- 0%
- Flights flown
- 345
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 351 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.