According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Springfield, IL (SPI) ranks #284 of 382 tracked US airports by total flights (most flights = #1). Springfield, IL posts below-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.
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SPI on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes: 73,420.
Late Aircraft25.3% (18,608 min)
Carrier40.0% (29,389 min)
NAS (National Aviation System)22.2% (16,286 min)
Weather12.3% (9,027 min)
Security0.1% (110 min)
SPI - seasonal on-time pattern
Best: September (93.3%) · worst: December (86.8%)
SPI - on-time rate by year
2020–2025, year-over-year trend.
SPI - taxi-out and taxi-in (monthly)
Average taxi-out 10.6 min · taxi-in 6.2 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
SPI's average taxi-out (10.6 min) stays shorter than the recent U.S. airport mean (~16.4 min). Even the heaviest month (December 2025, 14.6 min) is milder than many hubs' typical book.
Two PlainFlights-derived comparison paths for Springfield, IL, both outside Illinois so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Springfield, IL is the delay mix: Carrier owns 40.0% of 73,420 delay minutes across 8,116 BTS flights. The on-time headline is 82.8% (3.8 pts above the 79% national average), with 1,398 delayed and 136 cancelled (1.68%).
Delay minutes concentrate in Carrier (25.3% late-aircraft, 40.0% carrier, 22.2% NAS, 12.3% weather, 0.1% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.
On the multi-year calendar, SPI is strongest in September (93.3% on-time) and weakest in December (86.8%), a 6.5-point swing. Volume peaks in September (~142 flights/month). The busiest connecting route is to DFW (Dallas/Fort Worth) at 87.7% on-time. Field definitions: on-time performance explained.
Springfield, IL vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
82.8%Top 57%higher than 43% of 382 airports
Springfield, IL
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
SPI's on-time book is mid-pack; month and delay-cause mix move more than the headline rate.
Check the busiest route from SPI before you book a connection. See top routes →
Travel in September rather than December if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 10.6 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Springfield, IL's on-time rate?
Springfield, IL (SPI) has a 82.8% on-time rate across 8,116 BTS-tracked flights (2020-2025), 3.8 pts above the 79% national flight-weighted average; that places it in roughly the below-median on-time performance.
How does SPI rank among U.S. airports by traffic volume?
Springfield, IL ranks #284 of 382 tracked US airports by total BTS flights (most flights = #1), making it a smaller regional airport.
What's the most common cause of delays at Springfield, IL?
Carrier is the leading delay cause at SPI, accounting for 40.0% of delay minutes. The full breakdown: 25.3% late-aircraft, 40.0% carrier, 22.2% NAS/air-traffic-control, 12.3% weather, and 0.1% security.
When is the best time to fly through Springfield, IL?
September is historically SPI's strongest month at 93.3% on-time, while December is the weakest at 86.8%, a 6.5-point swing across the BTS historical record.
Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights