DL1203
DL1203 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Salt Lake City to Portland. Of 1,092 departures recorded from October 2024 to July 2026, 83.1% left on time, according to the US BTS.
- On-time departures83.1%of 1,092 flights
- Average delay8.2 min
- July 202662▲ 106.7%vs July 2025
- Cancelled1.8%
- Legs flown under this number3
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 | 60 | 60 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 54 | 62 | ▲ 14.8% |
| June | 35 | 60 | ▲ 71.4% |
| July | 30 | 62 | ▲ 106.7% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 357 | 422 | ▲ 18.2% |
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 | 90.0% | 84.5% | ▼ 6.1% |
| February | 85.7% | 91.1% | ▲ 6.3% |
| March | 95.2% | 90.0% | ▼ 5.4% |
| April | 93.3% | 87.5% | ▼ 6.2% |
| May | 98.2% | 88.7% | ▼ 9.6% |
| June | 40.0% | 87.9% | ▲ 119.8% |
| July | 23.1% | 91.4% | ▲ 295.9% |
| August | 29.0% | – | – |
| September | 60.0% | – | – |
| October | 64.5% | – | in progress |
| November | 67.9% | – | – |
| December | 74.3% | – | – |
| Year-to-date average (Jan–Jul) | 75.1% | 88.7% | ▲ 18.2% |
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 | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 4 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 4 | 4 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 4 | 14 | ▲ 250.0% |
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 98.2% 1,072
- Cancelled 1.8% 20
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC PDX Salt Lake City International Airport – Portland International Airport | 1,012 | 0.3 min | 91.0% | 450 |
| PDX SLC Portland International Airport – Salt Lake City International Airport | 1,012 | 0.9 min | 91.2% | 450 |
| MIA JFK Miami International Airport – John F. Kennedy International Airport | 1,757 | 44.7 min | 45.2% | 192 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 97.5% | 0 |
| November 2024 | 60 | 60 | 100.0% | 0 |
| December 2024 | 56 | 56 | 85.7% | 0 |
| January 2025 | 60 | 60 | 90.0% | 0 |
| February 2025 | 56 | 56 | 85.7% | 0 |
| March 2025 | 62 | 62 | 95.2% | 0 |
| April 2025 | 60 | 60 | 93.3% | 0 |
| May 2025 | 54 | 54 | 98.2% | 0 |
| June 2025 | 35 | 35 | 40.0% | 0 |
| July 2025 | 30 | 26 | 23.1% | 4 |
| August 2025 | 31 | 31 | 29.0% | 0 |
| September 2025 | 30 | 30 | 60.0% | 0 |
| October 2025 | 31 | 31 | 64.5% | 0 |
| November 2025 | 28 | 28 | 67.9% | 0 |
| December 2025 | 37 | 35 | 74.3% | 2 |
| January 2026 | 60 | 58 | 84.5% | 2 |
| February 2026 | 56 | 56 | 91.1% | 0 |
| March 2026 | 62 | 60 | 90.0% | 2 |
| April 2026 | 60 | 56 | 87.5% | 4 |
| May 2026 | 62 | 62 | 88.7% | 0 |
| June 2026 | 60 | 58 | 87.9% | 2 |
| July 2026 | 62 | 58 | 91.4% | 4 |