SLC to CMH flight delays & on-time performance
Nonstop flights from Salt Lake City International Airport to John Glenn Columbus International Airport · 1,528 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SLC or CMH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Salt Lake City (SLC) to Columbus (CMH) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.6% were cancelled, and 8% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5pm did best (80% on time); around 6pm did worst (70%).
- Thursday was the most reliable day to fly (88% on time) and Monday the least (73%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (69%).
Which airline is most on time from SLC to CMH?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 79% | 0.6% | 17 min | 7.5% | 363 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5pm80%323 flights
- 6pm70%33 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday75%0.0% cancelled
- Wednesday76%0.0% cancelled
- Thursday88%0.0% cancelled
- Friday80%1.9% cancelled
- Saturday88%1.9% cancelled
- Sunday75%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)69%
- Late-arriving aircraft23%
- Air traffic control & airport congestion6%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
SLC to CMH: common questions
- How often are SLC to CMH flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Salt Lake City to Columbus cancelled?
- 0.6% of scheduled flights were cancelled (2 of 363).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 76 min behind schedule on average, and 7.5% of flights were an hour or more late.
- How long is taxi time at SLC?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CMH to SLC — 90% on time
More flights from Salt Lake City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SLC → CMH, nonstop flights by US airlines that report to the DOT. How we calculate this.