MCI to ATL flight delays & on-time performance
Nonstop flights from Kansas City International Airport to Hartsfield Jackson Atlanta International Airport · 692 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MCI or ATL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Kansas City (MCI) to Atlanta (ATL) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.4% were cancelled, and 4% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (90% on time); Frontier Airlines was the least (60%).
- Departures scheduled around 5am did best (94% on time); around 5pm did worst (81%).
- Tuesday was the most reliable day to fly (93% on time) and Sunday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from MCI to ATL?
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 |
|---|---|---|---|---|---|
| American Airlines | 100% | 0.0% | 0 min | 0.0% | 2 |
| Delta Air Lines | 90% | 1.5% | 8 min | 3.6% | 2,739 |
| Southwest Airlines | 79% | 0.3% | 13 min | 5.2% | 365 |
| Frontier Airlines | 60% | 1.2% | 36 min | 15.2% | 166 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%359 flights
- 6am97%59 flights
- 7am93%300 flights
- 8am89%328 flights
- 10am91%404 flights
- 11am82%145 flights
- 12pm86%308 flights
- 1pm88%214 flights
- 2pm85%157 flights
- 3pm81%190 flights
- 4pm85%166 flights
- 5pm81%300 flights
- 6pm82%297 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%1.9% cancelled
- Tuesday93%0.4% cancelled
- Wednesday92%0.9% cancelled
- Thursday92%0.6% cancelled
- Friday86%1.2% cancelled
- Saturday85%2.8% cancelled
- Sunday80%1.9% 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 aircraft43%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion19%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)71%
- Extreme weather29%
- Air traffic control & airport congestion0%
- Security0%
MCI to ATL: common questions
- How often are MCI to ATL flights on time?
- 87% 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 Kansas City to Atlanta cancelled?
- 1.4% of scheduled flights were cancelled (45 of 3,272).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 72 min behind schedule on average, and 4.4% of flights were an hour or more late.
- How long is taxi time at MCI?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to MCI — 83% on time
More flights from Kansas City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MCI → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.