71.9%
on time, July 2026
71.9% of Delta Air Lines' scheduled domestic flights arrived on time in July 2026, and 2.4% were cancelled. That ranks 4 of 12 reporting airlines. It carried 15.8 million passengers in July 2026, down 0.1% from a year earlier. It is listed on the stock market as DAL.
Updated Oct 10, 2026 · on-time numbers to July 2026 · passengers to July 2026
On time
71.9%
Rank 4 of 12
Cancelled
2.40%
2,261 of 94,140 flights
Avg arrival delay
12.7 min
25.1% 15+ min late
Passengers, Jul 2026
15.8M
-0.1% vs a year earlier
Passengers, 12 months
166.5M
Aug 2025 to Jul 2026
Load factor
87.5%
18.0M seats
Month by month
Delta Air Lines' numbers each month
Monthly trend
Delta Air Lines passengers on board. Jan 2025 to Jul 2026. Hover a month for the numbers.
What delays its flights
Delay minutes of Delta Air Lines flights 15+ minutes late by cause, July 2026
- The airline (crew, upkeep, fueling)40.2%
- Late plane from an earlier flight31.3%
- Air traffic and airports23.6%
- Severe weather4.8%
- Security0.1%
Busiest airports
Scheduled departures and on-time rate, July 2026
| Airport | Flights | On time | Cancelled |
|---|---|---|---|
| ATL Atlanta, GAHartsfield-Jackson Atlanta International | 21,774 | 66.5% | 2.0% |
| MSP Minneapolis, MNMinneapolis-St Paul International | 6,362 | 75.3% | 1.3% |
| DTW Detroit, MIDetroit Metro Wayne County | 5,435 | 71.2% | 2.5% |
| SLC Salt Lake City, UTSalt Lake City International | 4,810 | 76.0% | 1.0% |
| LAX Los Angeles, CALos Angeles International | 3,497 | 74.8% | 1.5% |
| SEA Seattle, WASeattle/Tacoma International | 3,037 | 73.1% | 1.3% |
| JFK New York, NYJohn F. Kennedy International | 2,646 | 66.3% | 7.0% |
| LGA New York, NYLaGuardia | 2,452 | 62.7% | 8.8% |
| BOS Boston, MALogan International | 2,387 | 72.2% | 3.0% |
| MCO Orlando, FLOrlando International | 1,825 | 66.3% | 2.4% |
Busiest routes
Passengers on non-stop flights, one direction, July 2026
| Route | Passengers | Flights | Full |
|---|---|---|---|
| ATL → MCOAtlanta to Orlando | 83,336 | 478 | 89.9% |
| MCO → ATLOrlando to Atlanta | 80,371 | 478 | 87.0% |
| LGA → ATLNew York to Atlanta | 69,560 | 398 | 92.1% |
| ATL → TPAAtlanta to Tampa | 67,729 | 388 | 89.5% |
| FLL → ATLFort Lauderdale to Atlanta | 67,191 | 380 | 92.0% |
| ATL → LAXAtlanta to Los Angeles | 67,133 | 359 | 92.3% |
| ATL → FLLAtlanta to Fort Lauderdale | 66,540 | 383 | 90.1% |
| LAX → ATLLos Angeles to Atlanta | 66,496 | 353 | 93.0% |
| ATL → LGAAtlanta to New York | 66,478 | 387 | 90.7% |
| TPA → ATLTampa to Atlanta | 66,009 | 388 | 87.6% |
Related pages
Questions and answers
Is Delta Air Lines on time?
71.9% of Delta Air Lines' scheduled domestic flights arrived less than 15 minutes late in July 2026, rank 4 of 12 airlines that report on-time numbers. 25.1% arrived 15 minutes or more late and 2.4% were cancelled.
How many passengers does Delta Air Lines carry?
15.8 million passengers in July 2026, filling 87.5% of its seats, and 166.5 million in the last 12 months. A passenger on a connecting trip is counted on each flight.
Why are Delta Air Lines flights delayed?
In July 2026, 40.2% of Delta Air Lines' delay minutes (flights 15+ minutes late) came from the airline (crew, upkeep, fueling) and 31.3% from late plane from an earlier flight.
What is Delta Air Lines' busiest airport?
Hartsfield-Jackson Atlanta International (ATL), with 21,774 scheduled departures in July 2026, followed by Minneapolis-St Paul International (6,362).
On-time numbers cover scheduled domestic flights of the airlines that report them (the large US airlines and their regional partners), counted at the departure airport. A flight is on time when it arrives less than 15 minutes late; cancelled and diverted flights count as not on time. Official public data, updated monthly.