T−07:49:54·Long March 2D launch·Jiuquan Satellite Launch CenterDetails →
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Week in Space Data, every Friday.
Slip Watch · weekly
Slip Watch: Sep 28 to Oct 4, 2026
No launch date really slipped this week. 1 moved earlier. 2 lost a firm date. Placeholder date rolls (8) are recorded and not counted.
Frozen edition. Published October 5, 2026; these figures will not change. Corrections, if any, are logged on /corrections.
Real slips
0
0 launches, both dates known to the day
Days lost to slips
0
no slips
Pulled in
1
moved a day or more earlier
Not slips
11
8 placeholder rolls, 1 firmed, 2 lost a date
Biggest slips
SpaceNexus Launch Ledger
No real slips in this period.
Slips by provider
Slips by launch provider
Provider
Slips
Launches slipped
Days lost
Median slip
Pulled in
Same-day
Firmed
Lost a date
Placeholder rolls
HyImpulse
0
0
0
n/a
0
0
0
1
0
Indian Space Research Organization
On time: launches that flew in the week
On-time record of launches flown in the period
Provider
Flew
Scored
Within 1 day
Within 7 days
Average delay
Median delay
All providers
4
4
50%
50%
+8.1 d
+6.8 d
SpaceX
4
4
50%
50%
+8.1 d
+6.8 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.
Placeholder rolls and firmings (recorded, not slips)
Launch Library parks an undated launch at the end of a period (“NET 2026” is stored as Dec 31, 2026). When that placeholder moves, nothing was announced and nothing slipped, so these rows are listed for completeness and never counted.