DL1134
DL1134 (Delta Air Lines) is a multi-stop service on 15 routes, busiest Detroit to Anchorage. Of 737 departures recorded from October 2024 to July 2026, 72.5% left on time, according to the US BTS.
- On-time departures72.5%of 737 flights
- Average delay19.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.9%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 30 | ▲ 15.4% |
| February | 22 | 28 | ▲ 27.3% |
| March | 8 | 55 | ▲ 587.5% |
| April | 39 | 60 | ▲ 53.8% |
| May | 15 | 23 | ▲ 53.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 41 | – | – |
| October | 60 | – | in progress |
| November | 52 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 171 | 257 | ▲ 50.3% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.0% | 73.3% | ▼ 3.5% |
| February | 72.7% | 60.7% | ▼ 16.5% |
| March | 62.5% | 69.8% | ▲ 11.7% |
| April | 84.6% | 93.3% | ▲ 10.3% |
| May | 86.7% | 65.2% | ▼ 24.7% |
| June | 56.7% | 83.3% | ▲ 47.0% |
| July | 67.7% | 36.7% | ▼ 45.9% |
| August | 87.1% | – | – |
| September | 78.1% | – | – |
| October | 63.6% | – | in progress |
| November | 67.3% | – | – |
| December | 51.2% | – | – |
| Year-to-date average (Jan–Jul) | 72.4% | 68.9% | ▼ 4.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 5 | – | in progress |
| November | 0 | – | – |
| December | 5 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.1% 723
- Cancelled 1.9% 14
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 29 | 29 | 75.9% | 0 |
| January 2025 | 26 | 25 | 76.0% | 1 |
| February 2025 | 22 | 22 | 72.7% | 0 |
| March 2025 | 8 | 8 | 62.5% | 0 |
| April 2025 | 39 | 39 | 84.6% | 0 |
| May 2025 | 15 | 15 | 86.7% | 0 |
| June 2025 | 30 | 30 | 56.7% | 0 |
| July 2025 | 31 | 31 | 67.7% | 0 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 41 | 41 | 78.1% | 0 |
| October 2025 | 60 | 55 | 63.6% | 5 |
| November 2025 | 52 | 52 | 67.3% | 0 |
| December 2025 | 46 | 41 | 51.2% | 5 |
| January 2026 | 30 | 30 | 73.3% | 0 |
| February 2026 | 28 | 28 | 60.7% | 0 |
| March 2026 | 55 | 53 | 69.8% | 2 |
| April 2026 | 60 | 60 | 93.3% | 0 |
| May 2026 | 23 | 23 | 65.2% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 30 | 36.7% | 1 |