Week in Space Data, every Friday.
On-Time Launch Report · quarterly
27 launches flew from October 1, 2026 to the end of Q4 2026. Of the 27 with a firm date on record before liftoff, 52% flew within a day of their first firm date and 89% within a week; the median delay was 0.4 days. 13 real slips were recorded in the quarter.
Live preview, not yet published. These figures are recomputed from the ledger as it stands on November 10, 2026 and will change until the edition freezes. The report freezes on January 5, 2027.
| Provider | Flew | Scored | Within 1 day | Within 7 days | Average delay | Median delay |
|---|---|---|---|---|---|---|
| SpaceX | 12 | 12 | 33% | 83% | +4.3 d | +3 d |
| China Aerospace Science and Technology Corporation | 6 | 6 | 67% | 100% | +1 d | +0.1 d |
| Vehicle | Flew | Scored | Within 1 day | Within 7 days | Average delay | Median delay |
|---|---|---|---|---|---|---|
| Falcon 9 Block 5 | 11 | 11 | 27% | 82% | +4.7 d | +3 d |
| Electron | 2 | 2 | too few (2) | too few (2) | +0.5 d | +0.5 d |
| Long March 12 |
| Launch site | Flew | Scored | Within 1 day | Within 7 days | Average delay | Median delay |
|---|---|---|---|---|---|---|
| Vandenberg SFB, CA, USA | 8 | 8 | 25% | 88% | +3.9 d | +3.1 d |
| Jiuquan Satellite Launch Center, People's Republic of China | 4 | 4 | 75% | 100% | +0.6 d | +0.1 d |
| Flew | Mission | Provider | First firm date | Delay | Slips |
|---|---|---|---|---|---|
| Oct 1 | Falcon 9 Block 5 | Crew-13 | SpaceX | Sep 12, 2026date on record when we started watching | +18.7 d | 0 |
| Oct 1 | Falcon 9 Block 5 | Transporter 18 (Dedicated SSO Rideshare) | SpaceX | Oct 1, 2026first firm date it was given | 0 d | 0 |
Method v1.1: how moves are classified and launches scored. Data: Launch Library 2 (The Space Devs, a volunteer nonprofit; support them on Patreon) manifest, observed and recorded by SpaceNexus since August 29, 2026. Licence CC BY 4.0: cite “SpaceNexus Launch Ledger”. No sponsor sees or shapes this ledger (policy).
| Galactic Energy | 2 | 2 | too few (2) | too few (2) | +1.1 d | +1.1 d |
|---|
| Rocket Lab | 2 | 2 | too few (2) | too few (2) | +0.5 d | +0.5 d |
|---|
| CAS Space | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Indian Space Research Organization | 1 | 1 | too few (1) | too few (1) | +15.8 d | +15.8 d |
|---|
| Korea Aerospace Research Institute | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| LandSpace | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Russian Space Forces | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
Shares are shown once a group has 3 or more scored launches. Delay is liftoff minus the first firm date on record; negative means it flew early.
| 2 |
| 2 |
| too few (2) |
| too few (2) |
| +1.5 d |
| +1.5 d |
| Ceres-1S | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Ceres-2 | 1 | 1 | too few (1) | too few (1) | +2.1 d | +2.1 d |
|---|
| Falcon Heavy | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| GSLV Mk. II | 1 | 1 | too few (1) | too few (1) | +15.8 d | +15.8 d |
|---|
| Kinetica 2 | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| KSLV-2 Nuri | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Long March 2C | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Long March 4B | 1 | 1 | too few (1) | too few (1) | +0.1 d | +0.1 d |
|---|
| Long March 6A | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Long March 8A | 1 | 1 | too few (1) | too few (1) | +3 d | +3 d |
|---|
| Soyuz 2.1b Fregat-M | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Zhuque-2E Block 2 | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
Shares are shown once a group has 3 or more scored launches. Delay is liftoff minus the first firm date on record; negative means it flew early.
| Cape Canaveral SFS, FL, USA | 3 | 3 | 33% | 67% | +6.9 d | +1.5 d |
|---|
| Wenchang Space Launch Site, People's Republic of China | 3 | 3 | 33% | 100% | +2 d | +3 d |
|---|
| Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand | 2 | 2 | too few (2) | too few (2) | +0.5 d | +0.5 d |
|---|
| Haiyang Oriental Spaceport | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Kennedy Space Center, FL, USA | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Naro Space Center, South Korea | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Plesetsk Cosmodrome, Russian Federation | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Satish Dhawan Space Centre, India | 1 | 1 | too few (1) | too few (1) | +15.8 d | +15.8 d |
|---|
| Taiyuan Satellite Launch Center, People's Republic of China | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Xichang Satellite Launch Center, People's Republic of China | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
Shares are shown once a group has 3 or more scored launches. Delay is liftoff minus the first firm date on record; negative means it flew early.
| Oct 2 | Falcon Heavy | NROL-97 | SpaceX | Oct 2, 2026first firm date it was given | 0 d | 0 |
|---|
| Oct 7 | Nuri | NeonSat-2 to 6 | Korea Aerospace Research Institute | Oct 7, 2026date on record when we started watching | 0 d | 0 |
|---|
| Oct 9 | Long March 12 | SatNet LEO Group 27 | China Aerospace Science and Technology Corporation | Oct 9, 2026never moved while we watched | 0 d | 0 |
|---|
| Oct 10 | Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A | SpaceX | Oct 5, 2026first firm date it was given | +5 d | 2 |
|---|
| Oct 13 | Falcon 9 Block 5 | Starlink Group 15-25 | SpaceX | Sep 30, 2026date on record when we started watching | +12.4 d | 3 |
|---|
| Oct 13 | Falcon 9 Block 5 | Dragon CRS-2 SpX-35 | SpaceX | Oct 13, 2026first firm date it was given | +0.4 d | 0 |
|---|
| Oct 14 | Zhuque-2E Block 2 | 10 satellites | LandSpace | Oct 14, 2026never moved while we watched | 0 d | 0 |
|---|
| Oct 16 | Falcon 9 Block 5 | USSF-481 | SpaceX | Oct 15, 2026date on record when we started watching | 0 d | 0 |
|---|
| Oct 20 | Falcon 9 Block 5 | Bandwagon 5 (Dedicated Mid-Inclination Rideshare) | SpaceX | Oct 19, 2026first firm date it was given | +1.5 d | 1 |
|---|
| Oct 21 | Ceres-1S | Xiguang-4 01 | Galactic Energy | Oct 21, 2026never moved while we watched | 0 d | 0 |
|---|
| Oct 23 | Electron | We're Not Hawking Around (3x HawkEye 360) | Rocket Lab | Oct 21, 2026first firm date it was given | +2.3 d | 2 |
|---|
| Oct 23 | Long March 6A | Yaogan 50-03 | China Aerospace Science and Technology Corporation | Oct 23, 2026never moved while we watched | 0 d | 0 |
|---|
| Oct 23 | Long March 4B | Yaogan 53-07 to 09/56-19 to 21 | China Aerospace Science and Technology Corporation | Oct 23, 2026date on record when we started watching | +0.1 d | 0 |
|---|
| Oct 23 | Falcon 9 Block 5 | Starlink Group 15-15 | SpaceX | Oct 20, 2026date on record when we started watching | +3 d | 0 |
|---|
| Oct 25 | Long March 8A | SatNet LEO Group 28 | China Aerospace Science and Technology Corporation | Oct 22, 2026date on record when we started watching | +3 d | 1 |
|---|
| Oct 27 | Falcon 9 Block 5 | Starlink Group 15-16 | SpaceX | Oct 24, 2026date on record when we started watching | +3.1 d | 0 |
|---|
| Oct 30 | GSLV Mk II | IRNSS-1L (NVS-03) | Indian Space Research Organization | Oct 15, 2026first firm date it was given | +15.8 d | 0 |
|---|
| Oct 31 | Falcon 9 Block 5 | Starlink Group 15-18 | SpaceX | Oct 28, 2026date on record when we started watching | +3 d | 0 |
|---|
| Nov 2 | Electron | The Sea God Surveys (iQPS Launch 9) | Rocket Lab | Nov 4, 2026first firm date it was given | -1.3 d | 0 |
|---|
| Nov 3 | Kinetica 2 | SpaceSail Polar Group #17 | CAS Space | Nov 3, 2026never moved while we watched | 0 d | 0 |
|---|
| Nov 5 | Long March 2C | Yaogan 51-07 to 09 | China Aerospace Science and Technology Corporation | Nov 5, 2026never moved while we watched | 0 d | 0 |
|---|
| Nov 6 | Ceres-2 | 4 satellites | Galactic Energy | Nov 4, 2026date on record when we started watching | +2.1 d | 1 |
|---|
| Nov 7 | Falcon 9 Block 5 | USSF-432 | SpaceX | Nov 2, 2026date on record when we started watching | +5 d | 1 |
|---|
| Nov 7 | Soyuz 2.1b/Fregat | Glonass-K1? (Kosmos 2621?) | Russian Space Forces | Nov 7, 2026never moved while we watched | 0 d | 0 |
|---|
| Nov 8 | Long March 12 | SatNet LEO Group 29 | China Aerospace Science and Technology Corporation | Nov 5, 2026date on record when we started watching | +3 d | 1 |
|---|