Carrier route record
OOBGR→ORD
SkyWest Airlines · Bangor to Chicago
- Flights
- 195
- Period
- September 2025 to August 2026
- Share of route
- 27%
- Carriers
- 5
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with SkyWest Airlines.
SkyWest on BGR to ORD sits in the middle of the pack with a C. Close to three flights in four arrive on time by the DOT's definition, 4 points worse than the national rate of 77.3%. The late ones land an hour and a half behind schedule. That rests on 195 flights, with a median arrival right on schedule.
The national on-time rate over the same period is 77.3%, so SkyWest on BGR to ORD runs 4 points behind the country as a whole. Across a thousand flights that is about 43 extra late arrivals.
Key figures
On time
73.0%
Arrivals under 15 minutes late, of 189 completed flights
Avg delay
93 min
Across delayed arrivals only, not all flights
Cancelled
2.56%
National rate is 1.89%
Whole route
74.6%
Every carrier on BGR to ORD, 712 flights
These figures cover 195 flights between September 2025 and August 2026. Beyond the headline rate, 10.6% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
SkyWest against every carrier on BGR to ORD
SkyWest flew 195 of the 712 flights on BGR to ORD, about 27% of it. Its 73.0% on time is 2 points worse than the route as a whole, which runs 74.6%. Ranked by on-time rate it is number three of five carriers on the route, where the range runs from Envoy at 90.0% to United at 30.0%. Four of those carriers flew fewer than 365 flights here, so treat their positions as rough.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Airthin sample | 80 | 90.0% | 64 min | 0.00% | A+ |
| Republic Airwaysthin sample | 170 | 75.6% | 67 min | 1.18% | B |
| SkyWest Airlines (this page)thin sample | 195 | 73.0% | 93 min | 2.56% | C |
| American Airlinesthin sample | 257 | 72.1% | 157 min | 1.95% | C |
| United Airlinesthin sample | 10 | 30.0% | 103 min | 0.00% | F+ |
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Departure window
When SkyWest runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 22 points, against half a point between the best and worst carrier.
- 5am–8am102 flights83.2%
- 8am–11am—
- 11am–2pm—
- 2pm–5pm93 flights61.4%
- 5pm–8pm—
- 8pm–5am—
Scale runs 55% to 90%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 83.2% of the time, against 61.4% for the afternoon window. That is 22 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 102 flights scheduled in it.
Across the year
SkyWest on BGR to ORD through the year
- Apr–Jun 202680 flights73.1%
- Jul–Sep 2026115 flights73.0%
Scale runs 65% to 80%.
Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 73.0% on time across 195 flights.
Split by quarter, SkyWest on BGR to ORD logged 80 flights in Apr–Jun 2026 and 115 flights in Jul–Sep 2026. Fewer than three of those quarters carried the 30 completed flights this site needs before printing a rate, so the 73.0% annual figure is the one to use.
Arrival by arrival
How late SkyWest on BGR to ORD runs when it is late
The 51 late arrivals split 19 under half an hour, 12 between 30 and 60 minutes, and 20 an hour or more.
- 15+ min early22 flights11.6%
- Within 15 min116 flights61.4%
- 15–29 min late19 flights10.1%
- 30–59 min late12 flights6.3%
- 1–2 hours late7 flights3.7%
- 2+ hours late13 flights6.9%
Scale runs 0% to 100%.
Share of 189 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 30 departures that left 15 minutes late or more, only 2 made it up before arrival. In the other direction, 23 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at ORD.
The worst days
Worst days for SkyWest on BGR to ORD
The latest arrival of the period was on 6 July 2026, 6 hours 53 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on four of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 6 July 2026 | 6 hours 53 minutes | Carrier |
| 5 July 2026 | 6 hours 37 minutes | Carrier |
| 31 May 2026 | 5 hours 43 minutes | Carrier |
| 24 June 2026 | 5 hours 26 minutes | Carrier |
| 31 August 2026 | 4 hours 58 minutes | National Airspace System |
Delay causes
Why SkyWest runs late on this route
Carrier accounts for 53% of the 4,717 delay minutes carriers reported here, and the remaining four split what is left.
- 53%Carrier
- 40%National Airspace System
- 7%Late-arriving aircraft
- 0%Extreme weather
The largest share of delay minutes, 53%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 2,482 of the 4,717 delay minutes reported here. The split is drawn from 4,717 reported delay minutes.
40% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 1,883 minutes out of 4,717, against a national NAS share of 21%.
Cancellations run at 2.56%, against 1.89% nationally. That is about one flight in 40 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here costs
10.6% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
The 978 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
One caution: this is a thin sample. 195 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking SkyWest on BGR to ORD
Put together: treat all of this as provisional. 195 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 73.0% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 189 completed flights over 12 months sit behind that.
Related
Where to go next
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.