Airlines › Delta Air Lines › October 2025
Carrier month · October 2025
Delta Air Lines in October 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In October 2025, Delta Air Lines (DL) reported 90,097 scheduled domestic flights. 83.6% arrived on time, 0.4% were cancelled and 0.2% diverted.
All reporting carriers together recorded 79.1% on time and 0.5% cancelled that month, so the carrier was 4.5 points above the combined figure.
A year earlier, in October 2024, it reported 88,300 flights with 89.5% on time: a change of −5.9 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 31% and national aviation system 22%.
- On time 83.6%
- Arrived 15+ minutes late 15.9%
- Cancelled 0.4%
- Diverted 0.2%
October 2025 against a year earlier, the carrier's year and all carriers
| Measure | Oct 2025 | Oct 2024 | DL, 12 months to Jul 2026 | All carriers, Oct 2025 |
|---|---|---|---|---|
| Arrived on time | 83.6% | 89.5% | 79.9% | 79.1% |
| Departed on time | 84.7% | 88.8% | 80.6% | 80.0% |
| Cancelled | 0.4% | 0.9% | 1.7% | 0.5% |
| Average arrival delay | 2.1 min | -4.7 min | 3.9 min | 5.6 min |
| Scheduled flights a day | 3,003 | 2,943 | 2,846 | 20,195 |
| Scheduled flights | 90,097 | 88,300 | 1,038,644 | 605,844 |
142 airports and 913 routes had DL flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| ATL Atlanta | 21,033 | 82.8% | 3.3 min | 0.1% |
| MSP Minneapolis | 5,598 | 83.0% | 1.5 min | 0.2% |
| DTW Detroit | 5,370 | 86.1% | 0.2 min | 0.1% |
| SLC Salt Lake City | 4,547 | 83.9% | 1.8 min | 0.0% |
| LAX Los Angeles | 3,177 | 84.8% | 0.2 min | 0.2% |
| SEA Seattle | 2,780 | 83.5% | 1.4 min | 0.4% |
| LGA New York | 2,747 | 66.5% | 16.5 min | 2.0% |
| JFK New York | 2,643 | 76.1% | 6.6 min | 1.3% |
| BOS Boston | 2,280 | 73.2% | 12.2 min | 0.9% |
| MCO Orlando | 1,687 | 79.7% | 8.6 min | 0.4% |
| LAS Las Vegas | 1,359 | 86.5% | 1.6 min | 0.4% |
| SFO San Francisco | 1,233 | 82.1% | 2.7 min | 0.4% |
| AUS Austin | 1,122 | 81.4% | 7.1 min | 0.5% |
| TPA Tampa | 1,110 | 79.8% | 7.8 min | 0.5% |
| RDU Raleigh/Durham | 1,109 | 87.3% | -0.9 min | 0.5% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Delta Air Lines flights were on time in October 2025?
83.6% of 90,097 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 79.1% that month.
How does that compare with a year earlier?
In October 2024 the carrier reported 88,300 flights with 89.5% on time and 0.9% cancelled, against 83.6% and 0.4% in October 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Delta Air Lines · methodology · corrections.