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Airline · EV · 2020–2025 BTS data

ExpressJet Airlines

ExpressJet Airlines runs ahead of the typical U.S. carrier on reliability, drawn from 52,135 flights reported to the BTS. Its biggest delay driver is nas.

Data updated 2026-06-13

89.8%
On-time
+10.8 pts
vs US avg
67 min
Delay when late
7.74%
Cancelled

Total Flights

52,135

Best Month

April 2020 96%

Worst Month

January 2020 85%

Delayed

5,315

Cancelled

4,035

ExpressJet Airlines (EV) recorded 52,135 flights across 2020–2020, achieving a 89.8% on-time rate with an average delay of 66.7 minutes. The cancellation rate was 7.74%, and the leading cause of delays was NAS.

ExpressJet Airlines - monthly on-time rate

Last 9 months reported; ranged 85%–96%

80%85%90%95%100% Jan '20Feb '20Mar '20Apr '20May '20Jun '20Jul '20Aug '20Sep '20 94.2%

ExpressJet Airlines - BTS Delay Tier Breakdown

How ExpressJet Airlines flights distribute across federal Bureau of Transportation Statistics arrival-delay tiers. The on-time band uses the BTS 15-minute threshold; longer-delay tiers reflect arrival-time bins reported in the underlying database.

ExpressJet Airlines (EV) - flight delay tier distribution Stacked horizontal bar showing what percent of ExpressJet Airlines (EV) flights fell into each Bureau of Transportation Statistics delay tier: on-time (under 15 minutes late), delayed (15-60 minutes), heavily delayed (60-120 minutes), severe (120+ minutes), and cancelled. ExpressJet Airlines (EV) Flight delay tiers · BTS On-Time Performance methodology 89.8% 0% 100% On time <15m · 89.8% Delayed 15–60m · 2.5% Cancelled cnx · 7.7%
Tiers follow Bureau of Transportation Statistics On-Time Performance definitions, a flight is on-time if it arrives less than 15 minutes after schedule.

Delay Cause Breakdown

Top delay cause: NAS. Total delay minutes: 318,521.

Late Aircraft 21.0% (66,949 min)
Carrier 29.2% (92,899 min)
NAS (National Aviation System) 44.4% (141,347 min)
Weather 5.4% (17,326 min)
Security 0.0% (0 min)

Monthly Performance

Recent 24 months of flight data.

Period Flights Delayed Cancelled Diverted Avg Distance
Sep 2020 2,336 135 54 2 394 mi
Aug 2020 3,296 193 197 8 362 mi
Jul 2020 2,852 257 22 3 348 mi
Jun 2020 2,151 242 8 5 380 mi
May 2020 2,464 141 103 14 374 mi
Apr 2020 4,656 164 1,334 5 471 mi
Mar 2020 12,412 912 2,092 22 492 mi
Feb 2020 11,404 1,670 78 19 489 mi
Jan 2020 10,564 1,601 147 41 492 mi

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What the Data Says About ExpressJet Airlines

Across 52,135 flights reported to the Bureau of Transportation Statistics between 2020 and 2020, ExpressJet Airlines (EV) posted a 89.8% on-time rate, with 5,315 delayed departures and 4,035 cancellations. The carrier's average delay when flights run late is 66.7 minutes, and its cancellation rate of 7.74% sits alongside an overall delay rate of 10.2%. Those baseline numbers frame every comparison you can make with other carriers in the BTS dataset.

Digging into causes, NAS drives the biggest share of minutes lost, with NAS (National Aviation System) accounting for 44.4% of delay time and Carrier contributing 29.2%. Weather, often blamed informally, represents 5.4% of total delay minutes, while National Aviation System constraints such as air traffic control and airspace congestion make up 44.4%. Security delays remain the smallest bucket at 0.0%. Taken together, operational and scheduling factors outweigh weather as the dominant driver of ExpressJet Airlines delays.

Seasonality matters too. Recent monthly data shows April 2020 as the best period for ExpressJet Airlines with a 96% on-time rate, while January 2020 was the roughest at 85% on-time, a spread of 12 percentage points between best and worst month. For passengers choosing between carriers, the combination of a 89.8% on-time rate, 66.7-minute average delay, and 7.74% cancellation rate is the clearest summary of what to expect on ExpressJet Airlines flights based on BTS reporting.

Frequently Asked Questions

What is ExpressJet Airlines's on-time performance rate? ▼
ExpressJet Airlines (EV) has an overall on-time rate of 89.8% across 52,135 flights. The average delay is 66.7 minutes per delayed flight.
What is the main cause of delays on ExpressJet Airlines? ▼
The leading delay cause for ExpressJet Airlines is NAS. NAS (National Aviation System) accounts for 44.4% of all delay minutes.
How many flights does ExpressJet Airlines operate? ▼
ExpressJet Airlines has operated 52,135 flights in the BTS dataset (2020–2020). Of these, 5,315 were delayed and 4,035 were cancelled.
What is the cancellation rate for ExpressJet Airlines? ▼
ExpressJet Airlines has a cancellation rate of 7.74%, based on 4,035 cancelled flights out of 52,135 total flights tracked.
When does ExpressJet Airlines have the best on-time performance? ▼
Based on recent data, ExpressJet Airlines's best on-time month was April 2020 (96% on-time). The worst was January 2020 (85% on-time).
How does ExpressJet Airlines compare to other airlines? ▼
You can compare ExpressJet Airlines's 89.8% on-time rate against all 18 carriers on the airline rankings page. Factors like fleet size, route network, and hub locations all influence on-time performance.

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Why Flights Get Cancelled

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2020). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

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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 Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the Bureau of Transportation Statistics (BTS). Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this airline's on-time performance and delay-cause breakdown, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.