Airport month record
MCIJUL
Kansas City International in July 2025
- Departures
- 4,442
- Month
- July 2025
- National, same month
- 71.1%
- Carriers
- 11
Historical statistics for July 2025, not live status or a forecast for this year’s July. For today’s conditions at MCI, see live FAA status.
MCI in July sits in the middle of the pack with a C. Close to three flights in four arrive on time by the DOT's definition, 2 points better than the national rate of 71.1%. The late ones land a little over an hour behind schedule. That rests on 4,442 flights, of which Delta Air Lines flew 732 at 85.2% on time.
Delta Air Lines is the most reliable of the three carriers covered here at 85.2% on time across 732 flights.
Key figures
On time
73.2%
Arrivals under 15 minutes late, of 4,328 completed departures
Avg delay
79 min
Across delayed arrivals only, not all flights
Cancelled
1.96%
Nationally in July: 2.45%
Whole year
79.6%
MCI across all twelve months
These figures cover 4,442 departures from Kansas City International in July 2025. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.
Against the year
July next to MCI's other months
Against MCI's own year, July ran 6 points worse than the twelve-month rate of 79.6%, which makes it the worst of the twelve months in the data.
| Month | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| July 2025 (this page) | 4,442 | 73.2% | 79 min | 1.96% | C |
| August 2025 | 4,113 | 79.7% | 64 min | 0.92% | B+ |
| September 2025 | 3,928 | 82.0% | 58 min | 0.33% | B+ |
| October 2025 | 4,214 | 80.3% | 58 min | 0.33% | B+ |
| November 2025 | 3,956 | 81.1% | 72 min | 1.82% | B |
| December 2025 | 3,969 | 74.5% | 83 min | 1.36% | C |
| January 2026 | 3,508 | 84.3% | 81 min | 3.39% | B− |
| February 2026 | 3,503 | 84.9% | 69 min | 1.48% | B |
| March 2026 | 4,227 | 79.3% | 75 min | 3.41% | B− |
| April 2026 | 4,184 | 81.9% | 70 min | 0.98% | B+ |
| May 2026 | 4,354 | 79.5% | 65 min | 1.10% | B |
| June 2026 | 4,581 | 76.7% | 73 min | 1.24% | B |
Departure window
The best time of day to leave MCI in July
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 37 points, against 18 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am1,047 flights88.8%
- 8am–11am696 flights82.1%
- 11am–2pm738 flights79.3%
- 2pm–5pm822 flights67.3%
- 5pm–8pm902 flights54.0%
- 8pm–5am237 flights51.7%
Scale runs 45% to 95%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 51.7% on time, against 88.8% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5am–8am window is the busiest, with 1,047 flights scheduled in it.
Across the week, Tuesday is the strongest day at 79.2% on time and Thursday the weakest at 68.7%. 11 points is a smaller lever than departure hour, but it is free.
Carrier by carrier
Which airlines ran best at MCI in July
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 85.2% of the time; American Airlines manages 66.9%. Sample sizes sit next to every figure, because a two-point gap across 515 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 2,150 | 71.8% | 66 min | 1.26% | C |
| Delta Air Lines | 732 | 85.2% | 96 min | 1.37% | A |
| American Airlines | 515 | 66.9% | 96 min | 3.88% | C− |
| United Airlinesthin sample | 299 | 70.2% | 73 min | 1.67% | C |
| PSA Airlinesthin sample | 163 | 60.1% | 134 min | 7.36% | D− |
| Republic Airwaysthin sample | 118 | 73.6% | 98 min | 5.93% | C− |
| Spirit Airlinesthin sample | 114 | 79.6% | 104 min | 0.88% | B+ |
| SkyWest Airlinesthin sample | 109 | 83.3% | 77 min | 0.92% | B+ |
| Envoy Airthin sample | 93 | 67.0% | 58 min | 4.30% | C− |
| Alaska Airlinesthin sample | 88 | 75.0% | 74 min | 0.00% | B+ |
| Allegiant Airthin sample | 40 | 67.5% | 90 min | 0.00% | C+ |
American Airlines cancels 3.9% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
Route by route
Busiest routes out of MCI in July
| Route | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| MCI to DEN · Denver | 387 | 61.8% | 83 min | 1.55% | D |
| MCI to ORD · Chicagothin sample | 342 | 65.6% | 79 min | 4.39% | C− |
| MCI to ATL · Atlantathin sample | 302 | 82.2% | 65 min | 0.66% | B+ |
| MCI to DFW · Dallas-Fort Worththin sample | 240 | 57.8% | 81 min | 4.17% | D− |
| MCI to MDW · Chicagothin sample | 203 | 71.2% | 66 min | 1.97% | C |
| MCI to PHX · Phoenixthin sample | 181 | 77.0% | 65 min | 1.66% | B |
| MCI to DCA · Washingtonthin sample | 166 | 65.1% | 128 min | 5.42% | C− |
| MCI to DAL · Dallasthin sample | 166 | 73.6% | 70 min | 1.81% | C |
| MCI to LAS · Las Vegasthin sample | 159 | 79.2% | 70 min | 0.00% | B+ |
| MCI to LGA · New Yorkthin sample | 147 | 74.4% | 101 min | 7.48% | C− |
| MCI to MCO · Orlandothin sample | 135 | 68.7% | 71 min | 0.00% | C+ |
| MCI to BNA · Nashvillethin sample | 128 | 78.0% | 50 min | 0.00% | B+ |
| MCI to SEA · Seattlethin sample | 127 | 76.4% | 88 min | 0.00% | B+ |
| MCI to DTW · Detroitthin sample | 126 | 86.3% | 121 min | 0.00% | A+ |
| MCI to LAX · Los Angelesthin sample | 121 | 81.5% | 70 min | 1.65% | B |
| MCI to CLT · Charlottethin sample | 116 | 75.7% | 95 min | 0.86% | B+ |
| MCI to BWI · Baltimorethin sample | 96 | 73.0% | 76 min | 6.25% | C− |
| MCI to MSP · Minneapolisthin sample | 95 | 86.2% | 92 min | 0.00% | A+ |
| MCI to SLC · Salt Lake Citythin sample | 92 | 87.9% | 102 min | 1.09% | A |
| MCI to HOU · Houstonthin sample | 92 | 75.6% | 81 min | 0.00% | B+ |
| MCI to STL · St. Louisthin sample | 92 | 82.6% | 37 min | 0.00% | B+ |
| MCI to PHL · Philadelphiathin sample | 89 | 63.9% | 106 min | 5.62% | D− |
| MCI to AUS · Austinthin sample | 69 | 72.5% | 51 min | 0.00% | C+ |
| MCI to TPA · Tampathin sample | 61 | 63.9% | 96 min | 0.00% | D+ |
| MCI to EWR · Newarkthin sample | 57 | 70.0% | 150 min | 10.53% | C− |
Delay causes
What held MCI up in July
One category carries most of the weight here. Late-arriving aircraft accounts for 48% of the 92,000 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.
- 48%Late-arriving aircraft
- 24%Carrier
- 22%National Airspace System
- 6%Extreme weather
- 0%Security
48% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 92,000 reported delay minutes here, that single category outweighs weather by 9 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 91,726 reported delay minutes.
Cancellations sit at 1.96% against a national 2.45%, which is ordinary. Diversions add another 0.61%.
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 10.4% of arrivals land a full hour or more behind schedule, against 12.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
What to do with this
Flying from MCI in July
For a July trip through MCI: plan on this being one of the airport's harder months. The 5am–8am departures held up best at 88.8% on time, and with 10.4% of arrivals an hour or more late, a connection here deserves more slack than the same trip in February would.
Related
Where to go next
- Kansas City International (MCI), the whole year
- MCI in August79.7%
- MCI in September82.0%
- MCI in October80.3%
- MCI in November81.1%
- MCI in December74.5%
- MCI in January84.3%
- MCI in February84.9%
- MCI in March79.3%
- MCI in April81.9%
- MCI in May79.5%
- MCI in June76.7%
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.