ON TIMEBOARD

SPI → ORD on time

Abraham Lincoln Capital (Springfield, IL) to Chicago O'Hare (Chicago, IL). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
3.2%
709 flights
Typical arrival
−13 min
median vs schedule
When late
+94 min
average delay
Flights / day
2
1 airline

79% of flights from Springfield to Chicago arrived on time over the past 12 months. That is about the typical U.S. route. The 5 a.m. departures ran on time 88% of the time; the 2 p.m. ones 70%. 13% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SPI → ORD: when a flight was late, it was under 45 minutes late 33% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 34 three hours or more; 3.2% were cancelled outright.

Share of all 709 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines70979%3.2%−13 min9.4%+94 minEnvoy 95%, SkyWest 5%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SPI). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 88% on time (109 flights)885a6 a.m. departures: 86% on time (218 flights)866a7 a.m. departures: too few flights (2 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights (56 flights)1p2 p.m. departures: 70% on time (170 flights)702p3 p.m. departures: too few flights (45 flights)3p4 p.m. departures: too few flights (4 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (98 flights)6p
SPI → ORD, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On SPI → ORD, each airline's last flight of the day was cancelled 4.7% of the time, against 2.0% for its earlier flights (2.3× as often). It arrived 3+ hours late 4.1% of the time (earlier flights: 2.0%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines2:51 p.m.4.7%4.1%2.0%first flight 6:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in ORD tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: October (88%). Worst: January (70%).

40%70%100%Jan: 70% on time (169 flights)70JanFeb: 82% on time (156 flights)82FebMar: 76% on time (178 flights)76MarApr: 78% on time (174 flights)78AprMay: 78% on time (185 flights)78MayJun: 72% on time (166 flights)72JunJul: 70% on time (167 flights)70JulAug: 73% on time (180 flights)73AugSep: 77% on time (157 flights)77SepOct: 88% on time (159 flights)88OctNov: 78% on time (147 flights)78NovDec: 75% on time (156 flights)75Dec

By day of week

DayFlightsOn timeCancelled
Monday10578%6.7%
Tuesday10474%1.9%
Wednesday10184%2.0%
Thursday10184%1.0%
Friday10473%2.9%
Saturday90——
Sunday10476%3.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 36%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 26%Severe weather 10%

Cancellations: weather 12 · air traffic/airport 11

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 43286:00 a.m.12089%0.0%−18 minEnvoy
AA 43302:49 p.m.16269%4.3%−13 minEnvoy

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Springfield or Chicago. None has been clearly more reliable than SPI → ORD.

RouteFlightsOn timeCancelled
SPI → ORD (this route)70979%3.2%
BMI → ORD Central Illinois at Bloomington-Normal to Chicago O'Hare87979%3.5%
PIA → ORD General Wayne A. Downing Peoria to Chicago O'Hare2,90168%4.2%

Questions

How often are flights from SPI to ORD on time?

79% of 709 scheduled flights from Springfield, IL to Chicago, IL arrived within 15 minutes of schedule between September 2025 and August 2026. 3.2% were cancelled.

What is the best time of day to fly SPI to ORD?

Flights scheduled to leave at 5 a.m. were the most reliable (88% on time). The 2 p.m. departures were the least (70%).

What month has the most delays from SPI to ORD?

January (70% on time). The best month is October (88%), over 2023–2026.

Is the last flight of the day from SPI to ORD more likely to be cancelled?

Yes. Each airline's last SPI–ORD flight of the day was cancelled 4.7% of the time over the past year, against 2.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.