PlainFlights

SPI vs DFW - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
SPI

Springfield, IL

Springfield, Illinois

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Airport B
DFW

Dallas/Fort Worth, TX

Dallas/Fort Worth, Texas

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric SPI DFW
On-Time Rate (higher is better) 82.8% 78.5%
Avg Delay (lower is better) 85.4 min 82.9 min
Delay Rate (lower is better) 17.2% 21.5%
Cancellation Rate (lower is better) 1.68% 1.41%
Total Flights 8,116 3,395,134
Delayed Flights 1,398 729,619
Cancelled Flights 136 47,734
Top Delay Cause Carrier Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

SPI - Springfield, IL

Carrier 40.0%
Late Aircraft 25.3%
NAS 22.2%
Weather 12.3%
Security 0.1%

DFW - Dallas/Fort Worth, TX

Late Aircraft 43.4%
Carrier 33.9%
NAS 14.5%
Weather 8.0%
Security 0.2%

Top Routes

Top routes from SPI

Route Flights On-Time
DFW → SPI
Springfield
2,078 87.7%
SPI → DFW
Dallas/Fort Worth
2,078 80.8%
SPI → ORD
Chicago
1,030 84%
ORD → SPI
Springfield
971 81.6%

Top routes from DFW

Route Flights On-Time
LAX → DFW
Dallas/Fort Worth
37,750 81.1%
DFW → LAX
Los Angeles
37,739 77.2%
ATL → DFW
Dallas/Fort Worth
35,376 77.7%
DFW → ATL
Atlanta
35,361 79.2%
ORD → DFW
Dallas/Fort Worth
34,728 77.7%
DFW → ORD
Chicago
34,708 78.7%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.