Airlines › Delta Air Lines › June 2026
Carrier month · June 2026
Delta Air Lines in June 2026
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 June 2026, Delta Air Lines (DL) reported 90,247 scheduled domestic flights. 81.1% arrived on time, 1.1% were cancelled and 0.3% diverted.
All reporting carriers together recorded 72.8% on time and 1.6% cancelled that month, so the carrier was 8.3 points above the combined figure.
A year earlier, in June 2025, it reported 91,122 flights with 72.2% on time: a change of +8.9 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 29% and national aviation system 22%.
- On time 81.1%
- Arrived 15+ minutes late 17.5%
- Cancelled 1.1%
- Diverted 0.3%
June 2026 against a year earlier, the carrier's year and all carriers
| Measure | Jun 2026 | Jun 2025 | DL, 12 months to Jul 2026 | All carriers, Jun 2026 |
|---|---|---|---|---|
| Arrived on time | 81.1% | 72.2% | 79.9% | 72.8% |
| Departed on time | 81.2% | 72.6% | 80.6% | 72.2% |
| Cancelled | 1.1% | 1.7% | 1.7% | 1.6% |
| Average arrival delay | 3.6 min | 13.1 min | 3.9 min | 11.7 min |
| Scheduled flights a day | 3,008 | 3,037 | 2,846 | 20,253 |
| Scheduled flights | 90,247 | 91,122 | 1,038,644 | 607,577 |
145 airports and 946 routes had DL flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| ATL Atlanta | 20,812 | 81.9% | 2.8 min | 1.1% |
| MSP Minneapolis | 6,046 | 76.6% | 7.0 min | 0.7% |
| DTW Detroit | 5,200 | 76.6% | 8.0 min | 1.4% |
| SLC Salt Lake City | 4,670 | 81.5% | 1.9 min | 0.4% |
| LAX Los Angeles | 3,335 | 79.5% | 5.6 min | 0.6% |
| SEA Seattle | 2,886 | 81.1% | 2.0 min | 0.5% |
| JFK New York | 2,575 | 76.0% | 5.1 min | 1.0% |
| LGA New York | 2,379 | 74.9% | 6.4 min | 2.6% |
| BOS Boston | 2,292 | 76.0% | 7.5 min | 1.4% |
| MCO Orlando | 1,724 | 79.8% | 5.2 min | 1.3% |
| SFO San Francisco | 1,266 | 64.1% | 14.4 min | 0.6% |
| LAS Las Vegas | 1,212 | 85.6% | -0.2 min | 0.2% |
| TPA Tampa | 1,168 | 83.6% | 4.2 min | 0.9% |
| AUS Austin | 1,151 | 79.3% | 7.1 min | 0.7% |
| ORD Chicago | 1,089 | 69.7% | 16.6 min | 4.4% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Delta Air Lines flights were on time in June 2026?
81.1% of 90,247 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 72.8% that month.
How does that compare with a year earlier?
In June 2025 the carrier reported 91,122 flights with 72.2% on time and 1.7% cancelled, against 81.1% and 1.1% in June 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.