DAL to CMH flight delays & on-time performance
Nonstop flights from Dallas Love Field to John Glenn Columbus International Airport · 919 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DAL or CMH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dallas (DAL) to Columbus (CMH) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.3% were cancelled, and 9% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (92% on time); around 8pm did worst (41%).
- Saturday was the most reliable day to fly (76% on time) and Thursday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (53%).
Which airline is most on time from DAL 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 |
|---|---|---|---|---|---|
| Southwest Airlines | 71% | 1.3% | 19 min | 8.9% | 537 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am92%24 flights
- 8am82%99 flights
- 9am89%57 flights
- 10am80%25 flights
- 12pm79%21 flights
- 1pm70%33 flights
- 2pm80%25 flights
- 3pm76%47 flights
- 4pm80%15 flights
- 5pm60%51 flights
- 7pm56%80 flights
- 8pm41%60 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%0.0% cancelled
- Tuesday76%1.5% cancelled
- Wednesday73%1.5% cancelled
- Thursday63%0.0% cancelled
- Friday72%0.0% cancelled
- Saturday76%3.3% cancelled
- Sunday71%3.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion10%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather57%
- Airline (crew, maintenance, cleaning, fueling)43%
- Air traffic control & airport congestion0%
- Security0%
DAL to CMH: common questions
- How often are DAL to CMH flights on time?
- 71% 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 Dallas to Columbus cancelled?
- 1.3% of scheduled flights were cancelled (7 of 537).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 8.9% of flights were an hour or more late.
- How long is taxi time at DAL?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CMH to DAL — 80% on time
More flights from Dallas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DAL → CMH, nonstop flights by US airlines that report to the DOT. How we calculate this.