The late show on major broadcast networks typically signals the end of prime time programming, with its exact end time varying by station, time zone, and day of the week. Most weeknight editions aim to wrap by 2:05 AM or 2:35 AM local time, while weekend and special event episodes may run longer.
Understanding when the late show ends helps viewers plan recordings, manage ad exposure, and coordinate live social engagement, so clear scheduling information is essential for both casual viewers and industry watchers.
Standard Late Show End Times Across Networks
| Network | Typical Local End Time (Weeknights) | Typical Local End Time (Weekends) | Notes |
|---|---|---|---|
| NBC | 1:37 AM ET / 10:37 PM PT | 1:50 AM ET / 10:50 PM PT | Exact end depends on affiliate cut-ins and local news |
| CBS | 1:35 AM ET / 10:35 PM PT | 1:55 AM ET / 10:55 PM PT | Special events may push final credits later |
| ABC | 1:35 AM ET / 10:35 PM PT | 1:55 AM ET / 10:55 PM PT | |
| The CW | 1:30 AM ET / 10:30 PM PT | 1:45 AM ET / 10:45 PM PT | Smaller ad load and shorter monologues shorten runtime |
Prime Time Lineup Impact on Finale
Earlier prime time scheduling, extended political coverage, or breaking news can shift the entire evening, causing the late show to finish after 2:00 AM in some markets. Affiliates that delay the switch from local content further compress the national window and may truncate the host’s monologue or remove post-credits segments.
Day of the Week and Special Episodes
Weeknight Versus Weekend Runtimes
Weeknight episodes are tightly booked to hit the hour, whereas Friday and Sunday shows often include musical guests or extended interviews that add ten to twenty minutes. This pattern makes weekend endings less predictable for viewers who record the program.
Holiday and Award Season Adjustments
During holiday weeks or awards season, the late show may shrink to a condensed format or be recorded earlier in the evening, allowing staff time off and avoiding clashes with major events. Scripts are trimmed, bumpers are simplified, and the credits roll on schedule even when live audience energy is lower.
Production and Affiliate Feed Variations
How Local Stations Handle the End
Each affiliate decides when to break away from the national feed, inserting local promos, news briefs, or weather updates that can extend the clock by several minutes. Networks provide both an early and a late exit feed to accommodate these differences while keeping national advertising intact.
Digital and Streaming Timelines
On streaming platforms and network apps, the show usually follows the national feed with minimal local insertion, so viewers see the advertised end time more consistently. Live social media interactions and post episode bonus clips can appear immediately after the credits without affecting the official schedule.
Key Takeaways for Viewers
- Check your local affiliate schedule for the most accurate end time on any given night.
- Assume a 2:30 AM local finish on most weeknights, with later closures on weekends and during special events.
- Recordings and streaming services usually align with the national feed once local segments are stripped.
- Breaking news or awards coverage can delay the late show by varying margins across regions.
- Plan a small buffer for post-credits content, social posts, and affiliate transitions to avoid missing follow-up programming.
FAQ
Reader questions
Why does the exact end time vary even on the same network?
Local affiliate decisions, breaking news, extended political coverage, and musical guests all shift when the national feed concludes, so end times move within a predictable range.
Do late show end times differ between time zones?
Yes, coast-to-coast time differences shift local airtimes, and some syndicated windows are planned zone by zone, which can affect when reruns and encore streams begin.
Can I rely on the listed 1:35 AM or 1:37 AM end time for planning recordings?
Use those times as a baseline, then add a buffer for your local affiliate and any special programming, since tape delays and post-show segments can nudge the final frame later.
What happens if a major awards show overlaps with a late show broadcast?
Many stations preempt the regular national feed for extended coverage, while others carry limited highlights, so the usual half hour or 45 minute format is replaced by a condensed recap or delayed broadcast.