WN1988
WN1988 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Bozeman to Denver. Of 554 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 554 flights
- Average delay11.9 min
- July 202622▼ 29.0%vs July 2025
- Cancelled0.2%
- Legs flown under this number29
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 | 17 | 29 | ▲ 70.6% |
| February | 17 | 28 | ▲ 64.7% |
| March | 30 | 4 | ▼ 86.7% |
| April | 31 | 24 | ▼ 22.6% |
| May | 31 | 32 | ▲ 3.2% |
| June | 30 | 23 | ▼ 23.3% |
| July | 31 | 22 | ▼ 29.0% |
| August | 23 | – | – |
| September | 21 | – | – |
| October | 29 | – | in progress |
| November | 19 | – | – |
| December | 15 | – | – |
| Year to date (Jan–Jul) | 187 | 162 | ▼ 13.4% |
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 | 68.8% | 72.4% | ▲ 5.3% |
| February | 94.1% | 71.4% | ▼ 24.1% |
| March | 90.0% | 75.0% | ▼ 16.7% |
| April | 90.3% | 70.8% | ▼ 21.6% |
| May | 87.1% | 68.8% | ▼ 21.1% |
| June | 86.7% | 65.2% | ▼ 24.7% |
| July | 87.1% | 81.8% | ▼ 6.1% |
| August | 73.9% | – | – |
| September | 66.7% | – | – |
| October | 69.0% | – | in progress |
| November | 79.0% | – | – |
| December | 93.3% | – | – |
| Year-to-date average (Jan–Jul) | 86.3% | 72.2% | ▼ 16.3% |
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 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.8% 553
- Cancelled 0.2% 1
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BZN DEN Bozeman Yellowstone International Airport – Denver International Airport | 844 | 6.2 min | 86.9% | 61 |
| MKE PHX General Mitchell International Airport – Phoenix Sky Harbor International Airport | 2,346 | 1.9 min | 91.4% | 58 |
| BZN LAS Bozeman Yellowstone International Airport – Harry Reid International Airport | 1,129 | 17.1 min | 69.8% | 53 |
| FAT LAS Fresno Yosemite International Airport – Harry Reid International Airport | 416 | 8.1 min | 76.6% | 47 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | 19.5 min | 71.4% | 42 |
| HOU IND William P. Hobby Airport – Indianapolis International Airport | 1,387 | 11.6 min | 73.2% | 41 |
| MDW SAN Chicago Midway International Airport – San Diego International Airport | 2,776 | 5.9 min | 81.6% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 30 | 30 | 76.7% | 0 |
| December 2024 | 51 | 51 | 68.6% | 0 |
| January 2025 | 17 | 16 | 68.8% | 1 |
| February 2025 | 17 | 17 | 94.1% | 0 |
| March 2025 | 30 | 30 | 90.0% | 0 |
| April 2025 | 31 | 31 | 90.3% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 23 | 23 | 73.9% | 0 |
| September 2025 | 21 | 21 | 66.7% | 0 |
| October 2025 | 29 | 29 | 69.0% | 0 |
| November 2025 | 19 | 19 | 79.0% | 0 |
| December 2025 | 15 | 15 | 93.3% | 0 |
| January 2026 | 29 | 29 | 72.4% | 0 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 4 | 4 | 75.0% | 0 |
| April 2026 | 24 | 24 | 70.8% | 0 |
| May 2026 | 32 | 32 | 68.8% | 0 |
| June 2026 | 23 | 23 | 65.2% | 0 |
| July 2026 | 22 | 22 | 81.8% | 0 |