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Airport · 12 months to July 2026
Kansas City International: delays and on-time record
Kansas City, Missouri
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.
Kansas City International (MCI) in Kansas City, Missouri had 49,298 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 135 a day, on 59 routes.
77.8% of those flights left the gate less than 15 minutes late, 1.7 points above the national departure figure of 76.1%. Flights arriving at MCI were on time 75.2% of the time, 0.8 points below the national arrival figure of 76.0%.
1.5% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 15.7 min.
Southwest Airlines is the largest reporting carrier at MCI with 47% of departures. Among carriers with at least 493 departures, Alaska Airlines had the highest on-time arrival share for its MCI departures (85.2%) and PSA Airlines the lowest (68.0%).
On-time departures are down 3.8 points on the previous 12 months (81.6%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving MCI, late-arriving aircraft 44%, air carrier 30% and national aviation system 22%.
- On time 78.7%
- Arrived 15+ minutes late 19.6%
- Cancelled 1.5%
- Diverted 0.3%
As origin and as destination, against the nation
| Measure | Departures from MCI | Arrivals at MCI | All reported flights | MCI departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 77.8% | 73.9% | 76.1% | 81.6% |
| Arrived on time | 78.7% | 75.2% | 76.0% | 80.9% |
| Cancelled | 1.5% | 1.4% | 1.8% | 1.5% |
| Diverted | 0.3% | 0.2% | 0.3% | 0.2% |
| Average departure delay (late minutes only) | 15.7 min | 16.3 min | 17.4 min | 13.7 min |
| Arrival delay minutes per 100 flights | 1,473 | 1,532 | 1,684 | 1,364 |
| Scheduled flights | 49,298 | 49,305 | 7,043,858 | 48,987 |
12 months to July 2026. The first column follows flights that left MCI; the second follows flights that landed there. Year on year, on-time departures moved −3.8 pts.
Airlines at MCI
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 23,382 | 47% | 77.5% | 5.8 min | 0.8% |
| DL Delta Air Lines | 8,046 | 16% | 84.8% | -0.9 min | 1.9% |
| AA American Airlines | 5,064 | 10% | 78.4% | 10.5 min | 2.1% |
| UA United Airlines | 3,588 | 7% | 78.1% | 9.0 min | 1.4% |
| OO SkyWest Airlines | 2,385 | 5% | 75.8% | 13.8 min | 2.2% |
| MQ Envoy Air | 1,664 | 3% | 78.1% | 5.0 min | 2.3% |
| YX Republic Airline | 1,616 | 3% | 78.0% | 7.0 min | 2.8% |
| AS Alaska Airlines | 1,063 | 2% | 85.2% | -0.6 min | 0.8% |
| OH PSA Airlines | 966 | 2% | 68.0% | 16.7 min | 8.2% |
| NK Spirit Airlines | 689 | 1% | 78.7% | 2.5 min | 3.2% |
| F9 Frontier Airlines | 544 | 1% | 73.2% | 17.2 min | 0.6% |
| G4 Allegiant Air | 291 | 1% | 65.6% | 18.5 min | 0.7% |
Departures from MCI by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 78.7%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from MCI
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MCI–DEN | Kansas City to Denver | 4,327 | 76.8% | 8.6 min | 0.5% |
| MCI–ORD | Kansas City to Chicago | 4,197 | 73.5% | 16.7 min | 2.9% |
| MCI–ATL | Kansas City to Atlanta | 3,272 | 85.7% | -2.2 min | 1.4% |
| MCI–DFW | Kansas City to Dallas/Fort Worth | 2,525 | 74.2% | 12.7 min | 2.9% |
| MCI–PHX | Kansas City to Phoenix | 2,474 | 78.4% | 7.2 min | 0.6% |
| MCI–MDW | Kansas City to Chicago | 2,107 | 79.0% | 4.8 min | 1.1% |
| MCI–DAL | Kansas City to Dallas | 2,032 | 79.6% | 4.0 min | 1.1% |
| MCI–LAS | Kansas City to Las Vegas | 2,008 | 80.5% | 2.3 min | 0.5% |
| MCI–DCA | Kansas City to Washington | 1,927 | 71.9% | 11.6 min | 3.3% |
| MCI–LGA | Kansas City to New York | 1,822 | 72.8% | 10.7 min | 4.5% |
| MCI–MCO | Kansas City to Orlando | 1,554 | 77.0% | 7.2 min | 1.1% |
| MCI–BNA | Kansas City to Nashville | 1,374 | 80.6% | 5.0 min | 0.7% |
| MCI–DTW | Kansas City to Detroit | 1,342 | 86.5% | -3.6 min | 1.3% |
| MCI–LAX | Kansas City to Los Angeles | 1,313 | 81.9% | 0.5 min | 0.5% |
| MCI–CLT | Kansas City to Charlotte | 1,194 | 79.7% | 5.7 min | 2.3% |
| MCI–SEA | Kansas City to Seattle | 1,131 | 83.6% | 1.0 min | 1.1% |
| MCI–MSP | Kansas City to Minneapolis | 1,053 | 81.0% | 5.3 min | 1.4% |
| MCI–STL | Kansas City to St. Louis | 1,020 | 85.5% | -1.1 min | 0.5% |
| MCI–SLC | Kansas City to Salt Lake City | 1,009 | 86.0% | -2.9 min | 1.0% |
| MCI–HOU | Kansas City to Houston | 1,001 | 82.5% | -0.3 min | 0.3% |
| MCI–AUS | Kansas City to Austin | 982 | 80.2% | 3.0 min | 0.4% |
| MCI–PHL | Kansas City to Philadelphia | 906 | 79.2% | 8.3 min | 3.8% |
| MCI–BWI | Kansas City to Baltimore | 882 | 81.2% | 1.6 min | 1.8% |
| MCI–MIA | Kansas City to Miami | 844 | 82.5% | 1.0 min | 1.4% |
| MCI–TPA | Kansas City to Tampa | 672 | 77.4% | 6.0 min | 0.3% |
| MCI–BOS | Kansas City to Boston | 646 | 70.7% | 15.3 min | 2.8% |
| MCI–FLL | Kansas City to Fort Lauderdale | 551 | 72.4% | 8.0 min | 2.0% |
| MCI–EWR | Kansas City to Newark | 489 | 80.0% | 3.6 min | 2.9% |
| MCI–IAH | Kansas City to Houston | 486 | 85.8% | 0.2 min | 0.6% |
| MCI–SAN | Kansas City to San Diego | 385 | 75.1% | 6.3 min | 0.3% |
| MCI–SFO | Kansas City to San Francisco | 365 | 71.2% | 12.0 min | 0.8% |
| MCI–MSY | Kansas City to New Orleans | 364 | 76.9% | 5.9 min | 0.3% |
| MCI–IND | Kansas City to Indianapolis | 350 | 78.0% | 5.0 min | 0.0% |
| MCI–MKE | Kansas City to Milwaukee | 349 | 74.8% | 8.1 min | 0.6% |
| MCI–PDX | Kansas City to Portland | 347 | 85.9% | -2.5 min | 0.6% |
| MCI–SAT | Kansas City to San Antonio | 270 | 79.6% | 3.3 min | 0.0% |
| MCI–RSW | Kansas City to Fort Myers | 219 | 78.1% | 8.0 min | 1.4% |
| MCI–SMF | Kansas City to Sacramento | 207 | 72.0% | 11.5 min | 0.0% |
| MCI–ABQ | Kansas City to Albuquerque | 206 | 85.0% | -0.6 min | 1.0% |
| MCI–PNS | Kansas City to Pensacola | 190 | 82.6% | 2.1 min | 0.0% |
| MCI–OAK | Kansas City to Oakland | 159 | 62.3% | 12.4 min | 0.0% |
| MCI–IAD | Kansas City to Washington | 144 | 83.3% | 9.0 min | 3.5% |
The 42 busiest of 59 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 986 departures, 6 am to 7 am had the highest on-time share (91.9% of 5,723 flights) and 7 pm to 8 pm the lowest (59.1% of 2,264).
Delay causes
Cancellations by reported reason (734 in the period): air carrier 27%, weather 59%, national aviation system 14%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for MCI on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave MCI on time?
77.8% of the 49,298 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 1.5% were cancelled.
How often do flights arrive at MCI on time?
75.2% of 49,305 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at MCI?
Counting departures from MCI and whether they reached their destination on time, Alaska Airlines had the highest share (85.2% of 1,063 flights), then Delta Air Lines (84.8%) and Spirit Airlines (78.7%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at MCI?
For departures from MCI that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 44%, air carrier 30%, national aviation system 22%, extreme weather 5%, security 0%.
What time of day has the highest on-time share at MCI?
Departures scheduled from 6 am to 7 am local time left on time 91.9% of the time, the highest of any hour with enough flights to compare; 7 pm to 8 pm was lowest at 59.1%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 77.8%, down 3.8 points on the previous 12 months (81.6%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at MCI?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.