Airport · LAF · Lafayette, Indiana
Lafayette, IN
Lafayette, IN posts bottom-quartile on-time performance among the 382 tracked U.S. airports, as a smaller regional airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 473 flights (2020–2025); its biggest delay driver is late aircraft.
Data updated 2026-06-13
- 76.3%
- On-time
- Top 95%
- on-time, US airports
- 126 min
- Delay when late
- 1.06%
- Cancelled
Key Performance Metrics
Total Flights
473
Best Month
Sep 93.6%
Worst Month
Dec 88.5%
Delayed
112
Cancelled
5
LAF on-time rate vs. the national average
Behind the U.S. average across all 382 tracked airports.
Where LAF sits among all 382 tracked airports
LAF's 76.3% on-time rate falls in the 75-80% band, the 48-airport band it shares.
National on-time-rate distribution
- 60-65% 1
1 airport between 60% and 65% on-time
1 airports
- 65-70% 4
4 airports between 65% and 70% on-time
4 airports
- 70-75% 9
9 airports between 70% and 75% on-time
9 airports
- 75-80% 48
48 airports between 75% and 80% on-time
48 airports
- 80-85%
192 airports between 80% and 85% on-time
192 airports
- 85-90%
116 airports between 85% and 90% on-time
116 airports
- 90-95% 12
12 airports between 90% and 95% on-time
12 airports
What this shows LAF is marked in the 75-80% band.
Delay Cause Breakdown
Top delay cause: Late Aircraft. Total delay minutes: 6,847.
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: September (93.6% on-time). Most delays: December (88.5% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 104 | 32 | 2 | 88.5% |
| November | 92 | 16 | 3 | 92.4% |
| October | 98 | 27 | 0 | 91.8% |
| September | 94 | 19 | 0 | 93.6% |
| August | 85 | 18 | 0 | 91.8% |
Cancellation & Diversion Analysis
Flight disruption statistics for Lafayette, IN.
Cancellation Rate
1.06%
5 of 473 flights
Diversion Rate
0.00%
0 of 473 flights
Delay Rate
23.7%
112 of 473 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Dec 2025 | 104 | 12 | 20 | 2 | 0 |
| Nov 2025 | 92 | 7 | 9 | 3 | 0 |
| Oct 2025 | 98 | 8 | 19 | 0 | 0 |
| Sep 2025 | 94 | 6 | 13 | 0 | 0 |
| Aug 2025 | 85 | 7 | 11 | 0 | 0 |
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Lafayette, IN's 76.3%.
Other Airports in Indiana
Compare performance with other Indiana airports.
Keep exploring
More flight data around Lafayette, IN.
Indiana flight data
Statewide on-time and delay aggregates, plus every reporting airport in Indiana.
View IN data →Airport rankings
See where LAF sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put LAF head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About LAF
Lafayette, IN in Lafayette, Indiana handled 473 flights in the Bureau of Transportation Statistics dataset between 2025 and 2025, posting a 76.3% on-time departure rate. Of those flights, 112 experienced delays, 5 were cancelled, and 0 were diverted. The cancellation rate works out to 1.06%, the diversion rate to 0.00%, and the average delay when departures run late is 125.9 minutes. These figures are the baseline for comparing LAF against other airports in the same state and nationally.
Breaking down what drives delays at LAF, Late Aircraft leads the pack. Late Aircraft accounts for 51.7% of total delay minutes, followed by Carrier at 34.7% and NAS (National Aviation System) at 13.3%. Weather contributes 0.3% of delay minutes at this airport, while security holds the smallest share at 0.0%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, September runs the cleanest at LAF with a 93.6% on-time rate, while December is the roughest at 88.5% - a 5-point swing between best and worst month. Volume peaks in December, when average flights hit 104. Combine these numbers - 76.3% on-time, 125.9-minute average delay, 1.06% cancellation rate, and you have a concrete picture of departure reliability at Lafayette, IN.
Frequently Asked Questions
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Using LAF's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Compare LAF against airports with a similar on-time rate. Compare airports
- Travel in September rather than December if your dates are flexible. Seasonal patterns
- Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Related
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.