Flight Reliability
DL 1505 · Delta Air Lines
Orlando → Atlanta (MCO–ATL)
89
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 1.2%
- Cancelled
- 8 min early
- Median arrival delay
Based on 346 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 1505 arrived on time 94% of the time on Wednesdays and just 76% on Sundays. That gap is worth planning around.
Better than the MCO–ATL route average.
DL 1505 arrived on time 86% of the time, versus 75% across the MCO–ATL route.
A bit ahead of the Delta Air Lines network.
DL 1505 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.
Ticking up lately.
DL 1505 arrived on time 91% of the time over the last three months in the data, compared with 84% in the three months before that.
The breakdown
- Mon83%(47 flights)
- Tue83%(47 flights)
- Wed94%(49 flights)
- Thu86%(50 flights)
- Fri90%(50 flights)
- Sat89%(46 flights)
- Sun76%(53 flights)
94%
May
Jun 79% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 29 |
| July 2025 | 81% | 31 |
| August 2025 | 71% | 21 |
| September 2025 | 91% | 21 |
| October 2025 | 84% | 31 |
| November 2025 | 93% | 30 |
| December 2025 | 87% | 30 |
| January 2026 | 77% | 30 |
| February 2026 | 89% | 28 |
| March 2026 | 83% | 30 |
| April 2026 | 97% | 30 |
| May 2026 | 94% | 31 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 342
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 346 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.